diff --git a/Cargo.lock b/Cargo.lock
index 467240da2..2266465b3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,70 +4,78 @@
 name = "aes"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54eb1d8fe354e5fc611daf4f2ea97dd45a765f4f1e4512306ec183ae2e8f20c9"
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- "aes-soft 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "aesni 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aes-soft",
+ "aesni",
+ "block-cipher-trait",
 ]
 
 [[package]]
 name = "aes-ctr"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2e5b0458ea3beae0d1d8c0f3946564f8e10f90646cf78c06b4351052058d1ee"
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- "aes-soft 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
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- "ctr 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "stream-cipher 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aes-soft",
+ "aesni",
+ "ctr",
+ "stream-cipher",
 ]
 
 [[package]]
 name = "aes-soft"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfd7e7ae3f9a1fb5c03b389fc6bb9a51400d0c13053f0dca698c832bfd893a0d"
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- "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
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- "opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-cipher-trait",
+ "byteorder",
+ "opaque-debug",
 ]
 
 [[package]]
 name = "aesni"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f70a6b5f971e473091ab7cfb5ffac6cde81666c4556751d8d5620ead8abf100"
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- "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
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- "stream-cipher 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-cipher-trait",
+ "opaque-debug",
+ "stream-cipher",
 ]
 
 [[package]]
 name = "aho-corasick"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81ce3d38065e618af2d7b77e10c5ad9a069859b4be3c2250f674af3840d9c8a5"
 dependencies = [
- "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr",
 ]
 
 [[package]]
 name = "aho-corasick"
 version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58fb5e95d83b38284460a5fda7d6470aa0b8844d283a0b614b8535e880800d2d"
 dependencies = [
- "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr",
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 [[package]]
 name = "ansi_term"
 version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b3568b48b7cefa6b8ce125f9bb4989e52fbcc29ebea88df04cc7c5f12f70455"
 
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8",
 ]
 
 [[package]]
@@ -75,164 +83,199 @@ name = "app_dirs"
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- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "xdg 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ole32-sys",
+ "shell32-sys",
+ "winapi 0.2.8",
+ "xdg",
 ]
 
 [[package]]
 name = "arrayref"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d382e583f07208808f6b1249e60848879ba3543f57c32277bf52d69c2f0f0ee"
 
 [[package]]
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+checksum = "cd9fd44efafa8690358b7408d253adf110036b88f55672a933f01d616ad9b1b9"
 dependencies = [
- "nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nodrop",
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+[[package]]
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+checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
+
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+checksum = "7deb0a829ca7bcfaf5da70b073a8d128619259a7be8216a355e23f00763059e5"
 
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+ "libc",
+ "winapi 0.3.8",
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+checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
 
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- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc",
+ "libc",
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 [[package]]
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- "safemem 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "safemem",
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 [[package]]
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 [[package]]
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+checksum = "02b4ff8b16e6076c3e14220b39fbc1fabb6737522281a388998046859400895f"
 
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+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41262f11d771fd4a61aa3ce019fca363b4b6c282fca9da2a31186d3965a47a5c"
+dependencies = [
+ "either",
+ "radium",
+]
 
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+checksum = "a076c298b9ecdb530ed9d967e74a6027d6a7478924520acddcddc24c1c8ab3ab"
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- "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayref",
+ "byte-tools 0.2.0",
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 [[package]]
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+checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
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- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "block-padding",
+ "byte-tools 0.3.1",
+ "byteorder",
+ "generic-array 0.12.3",
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+checksum = "31aa8410095e39fdb732909fb5730a48d5bd7c2e3cd76bd1b07b3dbea130c529"
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+ "block-cipher-trait",
+ "block-padding",
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 [[package]]
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+checksum = "6d4dc3af3ee2e12f3e5d224e5e1e3d73668abbeb69e566d361f7d5563a4fdf09"
 dependencies = [
- "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byte-tools 0.3.1",
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 [[package]]
 name = "blooms-db"
 version = "0.1.0"
 dependencies = [
- "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "criterion 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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- "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "criterion 0.3.0",
+ "ethbloom 0.5.0",
+ "parking_lot 0.7.1",
+ "tempdir",
+ "tiny-keccak 1.5.0",
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 [[package]]
@@ -240,353 +283,407 @@ name = "bn"
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- "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder",
+ "crunchy 0.2.2",
+ "lazy_static",
+ "rand 0.5.6",
+ "rustc-hex 2.0.1",
 ]
 
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
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- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static",
+ "memchr",
+ "regex-automata",
+ "serde",
 ]
 
+[[package]]
+name = "build_const"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39092a32794787acd8525ee150305ff051b0aa6cc2abaf193924f5ab05425f39"
+
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+checksum = "b0a5e3906bcbf133e33c1d4d95afc664ad37fbdb9f6568d8043e7ea8c27d93d3"
+
 [[package]]
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+checksum = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
 
 [[package]]
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+checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 
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 [[package]]
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- "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder",
+ "either",
+ "iovec",
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 [[package]]
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- "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ppv-lite86",
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 [[package]]
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 [[package]]
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 [[package]]
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 [[package]]
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- "rpassword 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethereum-types 0.4.2",
+ "futures",
+ "parity-rpc",
+ "parity-rpc-client",
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 [[package]]
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 [[package]]
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- "regex 1.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty",
+ "humantime",
+ "log",
+ "regex 1.3.9",
+ "termcolor",
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- "backtrace 0.3.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace",
+ "version_check",
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@@ -731,10 +839,10 @@ name = "eth-secp256k1"
 version = "0.5.7"
 source = "git+https://github.com/paritytech/rust-secp256k1?rev=ccc06e7480148b723eb44ac56cf4d20eec380b6f#ccc06e7480148b723eb44ac56cf4d20eec380b6f"
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- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.12",
+ "cc",
+ "cfg-if",
+ "rand 0.4.6",
 ]
 
 [[package]]
@@ -742,14 +850,14 @@ name = "eth_pairings"
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+ "fixed_width_field",
+ "fixed_width_group_and_loop",
+ "num-bigint 0.2.3",
+ "num-traits 0.2.8",
+ "once_cell",
+ "static_assertions",
 ]
 
 [[package]]
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+ "quote 1.0.2",
+ "syn 1.0.40",
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+ "ethcore-blockchain",
+ "ethcore-bloom-journal",
+ "ethcore-builtin",
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-"checksum zeroize_derive 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "080616bd0e31f36095288bb0acdf1f78ef02c2fa15527d7e993f2a6c7591643e"
diff --git a/ethcore/Cargo.toml b/ethcore/Cargo.toml
index 6459b4a4b..6f3028e3b 100644
--- a/ethcore/Cargo.toml
+++ b/ethcore/Cargo.toml
@@ -46,6 +46,7 @@ len-caching-lock = { path = "../util/len-caching-lock" }
 log = "0.4"
 lru-cache = "0.1"
 macros = { path = "../util/macros" }
+maplit = "1"
 memory-cache = { path = "../util/memory-cache" }
 memory-db = { path = "../util/memory-db" }
 num_cpus = "1.2"
diff --git a/ethcore/src/lib.rs b/ethcore/src/lib.rs
index 3a51c6730..b8dcd8afb 100644
--- a/ethcore/src/lib.rs
+++ b/ethcore/src/lib.rs
@@ -83,6 +83,7 @@ extern crate keccak_hasher;
 extern crate kvdb;
 extern crate len_caching_lock;
 extern crate lru_cache;
+extern crate maplit;
 extern crate memory_cache;
 extern crate memory_db;
 extern crate num_cpus;
diff --git a/ethcore/src/spec/spec.rs b/ethcore/src/spec/spec.rs
index fc7e241f3..b64c3f088 100644
--- a/ethcore/src/spec/spec.rs
+++ b/ethcore/src/spec/spec.rs
@@ -16,7 +16,13 @@
 
 //! Parameters for a block chain.
 
-use std::{collections::BTreeMap, convert::TryFrom, io::Read, path::Path, sync::Arc};
+use std::{
+    collections::{BTreeMap, BTreeSet},
+    convert::TryFrom,
+    io::Read,
+    path::Path,
+    sync::Arc,
+};
 
 use bytes::Bytes;
 use ethereum_types::{Address, Bloom, H256, U256};
@@ -37,6 +43,7 @@ use error::Error;
 use executive::Executive;
 use factory::Factories;
 use machine::EthereumMachine;
+use maplit::btreeset;
 use pod_state::PodState;
 use spec::{seal::Generic as GenericSeal, Genesis};
 use state::{backend::Basic as BasicBackend, Backend, State, Substate};
@@ -436,6 +443,9 @@ pub struct Spec {
     /// Each seal field, expressed as RLP, concatenated.
     pub seal_rlp: Bytes,
 
+    /// List of hard forks in the network.
+    pub hard_forks: BTreeSet<BlockNumber>,
+
     /// Contract constructors to be executed on genesis.
     constructors: Vec<(Address, Bytes)>,
 
@@ -464,6 +474,7 @@ impl Clone for Spec {
             timestamp: self.timestamp.clone(),
             extra_data: self.extra_data.clone(),
             seal_rlp: self.seal_rlp.clone(),
+            hard_forks: self.hard_forks.clone(),
             constructors: self.constructors.clone(),
             state_root_memo: RwLock::new(*self.state_root_memo.read()),
             genesis_state: self.genesis_state.clone(),
@@ -508,9 +519,11 @@ fn load_from(spec_params: SpecParams, s: ethjson::spec::Spec) -> Result<Spec, Er
     let GenericSeal(seal_rlp) = g.seal.into();
     let params = CommonParams::from(s.params);
 
+    let (engine, hard_forks) = Spec::engine(spec_params, s.engine, params, builtins);
+
     let mut s = Spec {
         name: s.name.clone().into(),
-        engine: Spec::engine(spec_params, s.engine, params, builtins),
+        engine,
         data_dir: s.data_dir.unwrap_or(s.name).into(),
         nodes: s.nodes.unwrap_or_else(Vec::new),
         parent_hash: g.parent_hash,
@@ -523,6 +536,7 @@ fn load_from(spec_params: SpecParams, s: ethjson::spec::Spec) -> Result<Spec, Er
         timestamp: g.timestamp,
         extra_data: g.extra_data,
         seal_rlp: seal_rlp,
+        hard_forks,
         constructors: s
             .accounts
             .constructors()
@@ -586,19 +600,75 @@ impl Spec {
         engine_spec: ethjson::spec::Engine,
         params: CommonParams,
         builtins: BTreeMap<Address, Builtin>,
-    ) -> Arc<dyn EthEngine> {
+    ) -> (Arc<dyn EthEngine>, BTreeSet<BlockNumber>) {
+        let mut hard_forks = btreeset![
+            params.eip150_transition,
+            params.eip160_transition,
+            params.eip161abc_transition,
+            params.eip161d_transition,
+            params.eip98_transition,
+            params.eip658_transition,
+            params.eip155_transition,
+            params.validate_receipts_transition,
+            params.validate_chain_id_transition,
+            params.eip140_transition,
+            params.eip210_transition,
+            params.eip211_transition,
+            params.eip214_transition,
+            params.eip145_transition,
+            params.eip1052_transition,
+            params.eip1283_transition,
+            params.eip1283_disable_transition,
+            params.eip1283_reenable_transition,
+            params.eip1014_transition,
+            params.eip1706_transition,
+            params.eip1344_transition,
+            params.eip1884_transition,
+            params.eip2028_transition,
+            params.eip2315_transition,
+            params.dust_protection_transition,
+            params.wasm_activation_transition,
+            params.kip4_transition,
+            params.kip6_transition,
+            params.max_code_size_transition,
+            params.transaction_permission_contract_transition,
+        ];
+        // BUG: Rinkeby has homestead transition at block 1 but we can't reflect that in specs for non-Ethash networks
+        if params.network_id == 0x4 {
+            hard_forks.insert(1);
+        }
+
         let machine = Self::machine(&engine_spec, params, builtins);
 
-        match engine_spec {
+        let engine: Arc<dyn EthEngine> = match engine_spec {
             ethjson::spec::Engine::Null(null) => {
                 Arc::new(NullEngine::new(null.params.into(), machine))
             }
-            ethjson::spec::Engine::Ethash(ethash) => Arc::new(::ethereum::Ethash::new(
-                spec_params.cache_dir,
-                ethash.params.into(),
-                machine,
-                spec_params.optimization_setting,
-            )),
+            ethjson::spec::Engine::Ethash(ethash) => {
+                // Specific transitions for Ethash-based networks
+                for block in &[
+                    ethash.params.homestead_transition,
+                    ethash.params.dao_hardfork_transition,
+                ] {
+                    if let Some(block) = *block {
+                        hard_forks.insert(block.into());
+                    }
+                }
+
+                // Ethereum's difficulty bomb delay is a fork too
+                if let Some(delays) = &ethash.params.difficulty_bomb_delays {
+                    for delay in delays.keys().copied() {
+                        hard_forks.insert(delay.into());
+                    }
+                }
+
+                Arc::new(::ethereum::Ethash::new(
+                    spec_params.cache_dir,
+                    ethash.params.into(),
+                    machine,
+                    spec_params.optimization_setting,
+                ))
+            }
             ethjson::spec::Engine::InstantSeal(Some(instant_seal)) => {
                 Arc::new(InstantSeal::new(instant_seal.params.into(), machine))
             }
@@ -614,7 +684,12 @@ impl Spec {
                 AuthorityRound::new(authority_round.params.into(), machine)
                     .expect("Failed to start AuthorityRound consensus engine.")
             }
-        }
+        };
+
+        // Dummy value is a filler for non-existent transitions
+        hard_forks.remove(&BlockNumber::max_value());
+
+        (engine, hard_forks)
     }
 
     // given a pre-constructor state, run all the given constructors and produce a new state and
diff --git a/ethcore/sync/Cargo.toml b/ethcore/sync/Cargo.toml
index c8a0b17e7..4ea7ba1ae 100644
--- a/ethcore/sync/Cargo.toml
+++ b/ethcore/sync/Cargo.toml
@@ -15,6 +15,8 @@ ethcore = { path = ".." }
 ethcore-io = { path = "../../util/io" }
 ethcore-network = { path = "../../util/network" }
 ethcore-network-devp2p = { path = "../../util/network-devp2p" }
+ethereum-forkid = "0.2"
+primitive_types07 = { package = "primitive-types", version = "0.7"}
 ethereum-types = "0.4"
 ethkey = { path = "../../accounts/ethkey" }
 ethstore = { path = "../../accounts/ethstore" }
@@ -30,6 +32,7 @@ parity-bytes = "0.1"
 parking_lot = "0.7"
 rand = "0.4"
 rlp = { version = "0.3.0", features = ["ethereum"] }
+rlp04 = { package = "rlp", version = "0.4" }
 trace-time = "0.1"
 triehash-ethereum = {version = "0.2", path = "../../util/triehash-ethereum" }
 stats = { path = "../../util/stats" }
diff --git a/ethcore/sync/src/api.rs b/ethcore/sync/src/api.rs
index 868f30ef8..6076678d8 100644
--- a/ethcore/sync/src/api.rs
+++ b/ethcore/sync/src/api.rs
@@ -22,7 +22,7 @@ use network::{
     NonReservedPeerMode, PeerId, ProtocolId,
 };
 use std::{
-    collections::{BTreeMap, HashMap},
+    collections::{BTreeMap, BTreeSet, HashMap},
     io,
     ops::RangeInclusive,
     sync::{atomic, mpsc, Arc},
@@ -30,8 +30,9 @@ use std::{
 };
 
 use chain::{
-    ChainSyncApi, SyncState, SyncStatus as EthSyncStatus, ETH_PROTOCOL_VERSION_62,
-    ETH_PROTOCOL_VERSION_63, PAR_PROTOCOL_VERSION_1, PAR_PROTOCOL_VERSION_2,
+    fork_filter::ForkFilterApi, ChainSyncApi, SyncState, SyncStatus as EthSyncStatus,
+    ETH_PROTOCOL_VERSION_63, ETH_PROTOCOL_VERSION_64, PAR_PROTOCOL_VERSION_1,
+    PAR_PROTOCOL_VERSION_2,
 };
 use ethcore::{
     client::{BlockChainClient, ChainMessageType, ChainNotify, NewBlocks},
@@ -215,6 +216,8 @@ pub struct Params {
     pub config: SyncConfig,
     /// Blockchain client.
     pub chain: Arc<dyn BlockChainClient>,
+    /// Forks.
+    pub forks: BTreeSet<BlockNumber>,
     /// Snapshot service.
     pub snapshot_service: Arc<dyn SnapshotService>,
     /// Network layer configuration.
@@ -240,7 +243,14 @@ impl EthSync {
         connection_filter: Option<Arc<dyn ConnectionFilter>>,
     ) -> Result<Arc<EthSync>, Error> {
         let (priority_tasks_tx, priority_tasks_rx) = mpsc::channel();
-        let sync = ChainSyncApi::new(params.config, &*params.chain, priority_tasks_rx);
+        let fork_filter = ForkFilterApi::new(&*params.chain, params.forks);
+
+        let sync = ChainSyncApi::new(
+            params.config,
+            &*params.chain,
+            fork_filter,
+            priority_tasks_rx,
+        );
         let service = NetworkService::new(
             params.network_config.clone().into_basic()?,
             connection_filter,
@@ -559,7 +569,7 @@ impl ChainNotify for EthSync {
             .register_protocol(
                 self.eth_handler.clone(),
                 self.subprotocol_name,
-                &[ETH_PROTOCOL_VERSION_62, ETH_PROTOCOL_VERSION_63],
+                &[ETH_PROTOCOL_VERSION_63, ETH_PROTOCOL_VERSION_64],
             )
             .unwrap_or_else(|e| warn!("Error registering ethereum protocol: {:?}", e));
         // register the warp sync subprotocol
diff --git a/ethcore/sync/src/block_sync.rs b/ethcore/sync/src/block_sync.rs
index c2ea28a5d..cb0def189 100644
--- a/ethcore/sync/src/block_sync.rs
+++ b/ethcore/sync/src/block_sync.rs
@@ -99,6 +99,12 @@ pub enum BlockDownloaderImportError {
     Useless,
 }
 
+impl From<rlp04::DecoderError> for BlockDownloaderImportError {
+    fn from(_: rlp04::DecoderError) -> BlockDownloaderImportError {
+        BlockDownloaderImportError::Invalid
+    }
+}
+
 impl From<rlp::DecoderError> for BlockDownloaderImportError {
     fn from(_: rlp::DecoderError) -> BlockDownloaderImportError {
         BlockDownloaderImportError::Invalid
diff --git a/ethcore/sync/src/chain/fork_filter.rs b/ethcore/sync/src/chain/fork_filter.rs
new file mode 100644
index 000000000..b813cbff5
--- /dev/null
+++ b/ethcore/sync/src/chain/fork_filter.rs
@@ -0,0 +1,114 @@
+//! This module contains a wrapper that connects this codebase with `ethereum-forkid` crate which provides `FORK_ID`
+//! to support Ethereum network protocol, version 64 and above.
+
+// Re-export ethereum-forkid crate contents here.
+pub use ethereum_forkid::{BlockNumber, ForkId, RejectReason};
+
+use ethcore::client::ChainInfo;
+use ethereum_forkid::ForkFilter;
+
+/// Wrapper around fork filter that provides integration with `ForkFilter`.
+pub struct ForkFilterApi {
+    inner: ForkFilter,
+}
+
+impl ForkFilterApi {
+    /// Create `ForkFilterApi` from `ChainInfo` and an `Iterator` over the hard forks.
+    pub fn new<C: ?Sized + ChainInfo, I: IntoIterator<Item = BlockNumber>>(
+        client: &C,
+        forks: I,
+    ) -> Self {
+        let chain_info = client.chain_info();
+        let genesis_hash = primitive_types07::H256::from_slice(&chain_info.genesis_hash.0);
+        Self {
+            inner: ForkFilter::new(chain_info.best_block_number, genesis_hash, forks),
+        }
+    }
+
+    #[cfg(test)]
+    /// Dummy version of ForkFilterApi with no forks.
+    pub fn new_dummy<C: ?Sized + ChainInfo>(client: &C) -> Self {
+        let chain_info = client.chain_info();
+        Self {
+            inner: ForkFilter::new(
+                chain_info.best_block_number,
+                primitive_types07::H256::from_slice(&chain_info.genesis_hash.0),
+                vec![],
+            ),
+        }
+    }
+
+    fn update_head<C: ?Sized + ChainInfo>(&mut self, client: &C) {
+        self.inner.set_head(client.chain_info().best_block_number);
+    }
+
+    /// Wrapper for `ForkFilter::current`
+    pub fn current<C: ?Sized + ChainInfo>(&mut self, client: &C) -> ForkId {
+        self.update_head(client);
+        self.inner.current()
+    }
+
+    /// Wrapper for `ForkFilter::is_compatible`
+    pub fn is_compatible<C: ?Sized + ChainInfo>(
+        &mut self,
+        client: &C,
+        fork_id: ForkId,
+    ) -> Result<(), RejectReason> {
+        self.update_head(client);
+        self.inner.is_compatible(fork_id)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use ethcore::{client::TestBlockChainClient, ethereum, spec::Spec};
+
+    fn test_spec<F: Fn() -> Spec>(spec_builder: F, forks: Vec<BlockNumber>) {
+        let spec = (spec_builder)();
+        let genesis_hash = spec.genesis_header().hash();
+        let spec_forks = spec.hard_forks.clone();
+        let client = TestBlockChainClient::new_with_spec(spec);
+
+        assert_eq!(
+            ForkFilterApi::new(&client, spec_forks).inner,
+            ForkFilter::new(
+                0,
+                primitive_types07::H256::from_slice(&genesis_hash.0),
+                forks
+            )
+        );
+    }
+
+    #[test]
+    fn ethereum_spec() {
+        test_spec(
+            || ethereum::new_foundation(&String::new()),
+            vec![
+                1_150_000, 1_920_000, 2_463_000, 2_675_000, 4_370_000, 7_280_000, 9_069_000,
+                9_200_000,
+            ],
+        )
+    }
+
+    #[test]
+    fn ropsten_spec() {
+        test_spec(
+            || ethereum::new_ropsten(&String::new()),
+            vec![10, 1_700_000, 4_230_000, 4_939_394, 6_485_846, 7_117_117],
+        )
+    }
+
+    #[test]
+    fn rinkeby_spec() {
+        test_spec(
+            || ethereum::new_rinkeby(&String::new()),
+            vec![1, 2, 3, 1_035_301, 3_660_663, 4_321_234, 5_435_345],
+        )
+    }
+
+    #[test]
+    fn goerli_spec() {
+        test_spec(|| ethereum::new_goerli(&String::new()), vec![1_561_651])
+    }
+}
diff --git a/ethcore/sync/src/chain/handler.rs b/ethcore/sync/src/chain/handler.rs
index 3e8fa9bdf..0b711f984 100644
--- a/ethcore/sync/src/chain/handler.rs
+++ b/ethcore/sync/src/chain/handler.rs
@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity Ethereum.  If not, see <http://www.gnu.org/licenses/>.
 
-use api::PAR_PROTOCOL;
+use api::{ETH_PROTOCOL, PAR_PROTOCOL};
 use block_sync::{BlockDownloaderImportError as DownloaderImportError, DownloadAction};
 use bytes::Bytes;
 use enum_primitive::FromPrimitive;
@@ -42,7 +42,7 @@ use super::sync_packet::{
 
 use super::{
     BlockSet, ChainSync, ForkConfirmation, PacketProcessError, PeerAsking, PeerInfo, SyncRequester,
-    SyncState, ETH_PROTOCOL_VERSION_62, ETH_PROTOCOL_VERSION_63, MAX_NEW_BLOCK_AGE, MAX_NEW_HASHES,
+    SyncState, ETH_PROTOCOL_VERSION_63, ETH_PROTOCOL_VERSION_64, MAX_NEW_BLOCK_AGE, MAX_NEW_HASHES,
     PAR_PROTOCOL_VERSION_1, PAR_PROTOCOL_VERSION_2,
 };
 
@@ -659,16 +659,72 @@ impl SyncHandler {
         peer_id: PeerId,
         r: &Rlp,
     ) -> Result<(), DownloaderImportError> {
+        let mut r_iter = r.iter();
         sync.handshaking_peers.remove(&peer_id);
-        let protocol_version: u8 = r.val_at(0)?;
+        let protocol_version: u8 = r_iter
+            .next()
+            .ok_or(rlp::DecoderError::RlpIsTooShort)?
+            .as_val()?;
+        let eth_protocol_version = io.protocol_version(&ETH_PROTOCOL, peer_id);
         let warp_protocol_version = io.protocol_version(&PAR_PROTOCOL, peer_id);
         let warp_protocol = warp_protocol_version != 0;
+
+        let network_id = r_iter
+            .next()
+            .ok_or(rlp::DecoderError::RlpIsTooShort)?
+            .as_val()?;
+        let difficulty = Some(
+            r_iter
+                .next()
+                .ok_or(rlp::DecoderError::RlpIsTooShort)?
+                .as_val()?,
+        );
+        let latest_hash = r_iter
+            .next()
+            .ok_or(rlp::DecoderError::RlpIsTooShort)?
+            .as_val()?;
+        let genesis = r_iter
+            .next()
+            .ok_or(rlp::DecoderError::RlpIsTooShort)?
+            .as_val()?;
+        let forkid_validation_error = {
+            if eth_protocol_version >= ETH_PROTOCOL_VERSION_64.0 {
+                let fork_id = rlp04::Rlp::new(r.as_raw()).val_at(5)?;
+                r_iter.next().ok_or(rlp::DecoderError::RlpIsTooShort)?;
+                sync.fork_filter
+                    .is_compatible(io.chain(), fork_id)
+                    .err()
+                    .map(|e| (fork_id, e))
+            } else {
+                None
+            }
+        };
+        let snapshot_hash = if warp_protocol {
+            Some(
+                r_iter
+                    .next()
+                    .ok_or(rlp::DecoderError::RlpIsTooShort)?
+                    .as_val()?,
+            )
+        } else {
+            None
+        };
+        let snapshot_number = if warp_protocol {
+            Some(
+                r_iter
+                    .next()
+                    .ok_or(rlp::DecoderError::RlpIsTooShort)?
+                    .as_val()?,
+            )
+        } else {
+            None
+        };
         let peer = PeerInfo {
-            protocol_version: protocol_version,
-            network_id: r.val_at(1)?,
-            difficulty: Some(r.val_at(2)?),
-            latest_hash: r.val_at(3)?,
-            genesis: r.val_at(4)?,
+            protocol_version,
+            network_id,
+            difficulty,
+            latest_hash,
+            genesis,
             asking: PeerAsking::Nothing,
             asking_blocks: Vec::new(),
             asking_hash: None,
@@ -681,16 +737,8 @@ impl SyncHandler {
                 ForkConfirmation::Unconfirmed
             },
             asking_snapshot_data: None,
-            snapshot_hash: if warp_protocol {
-                Some(r.val_at(5)?)
-            } else {
-                None
-            },
-            snapshot_number: if warp_protocol {
-                Some(r.val_at(6)?)
-            } else {
-                None
-            },
+            snapshot_hash,
+            snapshot_number,
             block_set: None,
             client_version: ClientVersion::from(io.peer_version(peer_id)),
         };
@@ -729,13 +777,18 @@ impl SyncHandler {
             return Err(DownloaderImportError::Invalid);
         }
 
+        if let Some((fork_id, reason)) = forkid_validation_error {
+            trace!(target: "sync", "Peer {} incompatible fork id (fork id: {:#x}/{}, error: {:?})", peer_id, fork_id.hash.0, fork_id.next, reason);
+            return Err(DownloaderImportError::Invalid);
+        }
+
         if false
             || (warp_protocol
                 && (peer.protocol_version < PAR_PROTOCOL_VERSION_1.0
                     || peer.protocol_version > PAR_PROTOCOL_VERSION_2.0))
             || (!warp_protocol
-                && (peer.protocol_version < ETH_PROTOCOL_VERSION_62.0
-                    || peer.protocol_version > ETH_PROTOCOL_VERSION_63.0))
+                && (peer.protocol_version < ETH_PROTOCOL_VERSION_63.0
+                    || peer.protocol_version > ETH_PROTOCOL_VERSION_64.0))
         {
             trace!(target: "sync", "Peer {} unsupported eth protocol ({})", peer_id, peer.protocol_version);
             return Err(DownloaderImportError::Invalid);
diff --git a/ethcore/sync/src/chain/mod.rs b/ethcore/sync/src/chain/mod.rs
index 5fed42cb1..33c1f543b 100644
--- a/ethcore/sync/src/chain/mod.rs
+++ b/ethcore/sync/src/chain/mod.rs
@@ -16,7 +16,7 @@
 
 //! `BlockChain` synchronization strategy.
 //! Syncs to peers and keeps up to date.
-//! This implementation uses ethereum protocol v63
+//! This implementation uses ethereum protocol v63/v64
 //!
 //! Syncing strategy summary.
 //! Split the chain into ranges of N blocks each. Download ranges sequentially. Split each range into subchains of M blocks. Download subchains in parallel.
@@ -87,14 +87,16 @@
 //!
 //! All other messages are ignored.
 
+pub mod fork_filter;
 mod handler;
 mod propagator;
 mod requester;
 mod supplier;
 pub mod sync_packet;
 
+pub use self::fork_filter::ForkFilterApi;
 use super::{SyncConfig, WarpSync};
-use api::{EthProtocolInfo as PeerInfoDigest, PriorityTask, PAR_PROTOCOL};
+use api::{EthProtocolInfo as PeerInfoDigest, PriorityTask, ETH_PROTOCOL, PAR_PROTOCOL};
 use block_sync::{BlockDownloader, DownloadAction};
 use bytes::Bytes;
 use derive_more::Display;
@@ -151,10 +153,10 @@ impl From<DecoderError> for PacketProcessError {
     }
 }
 
+/// 64 version of Ethereum protocol.
+pub const ETH_PROTOCOL_VERSION_64: (u8, u8) = (64, 0x11);
 /// 63 version of Ethereum protocol.
 pub const ETH_PROTOCOL_VERSION_63: (u8, u8) = (63, 0x11);
-/// 62 version of Ethereum protocol.
-pub const ETH_PROTOCOL_VERSION_62: (u8, u8) = (62, 0x11);
 /// 1 version of Parity protocol and the packet count.
 pub const PAR_PROTOCOL_VERSION_1: (u8, u8) = (1, 0x15);
 /// 2 version of Parity protocol (consensus messages added).
@@ -407,10 +409,11 @@ impl ChainSyncApi {
     pub fn new(
         config: SyncConfig,
         chain: &dyn BlockChainClient,
+        fork_filter: ForkFilterApi,
         priority_tasks: mpsc::Receiver<PriorityTask>,
     ) -> Self {
         ChainSyncApi {
-            sync: RwLock::new(ChainSync::new(config, chain)),
+            sync: RwLock::new(ChainSync::new(config, chain, fork_filter)),
             priority_tasks: Mutex::new(priority_tasks),
         }
     }
@@ -660,6 +663,8 @@ pub struct ChainSync {
     network_id: u64,
     /// Optional fork block to check
     fork_block: Option<(BlockNumber, H256)>,
+    /// Fork filter
+    fork_filter: ForkFilterApi,
     /// Snapshot downloader.
     snapshot: Snapshot,
     /// Connected peers pending Status message.
@@ -680,8 +685,11 @@ pub struct ChainSync {
 }
 
 impl ChainSync {
-    /// Create a new instance of syncing strategy.
-    pub fn new(config: SyncConfig, chain: &dyn BlockChainClient) -> Self {
+    pub fn new(
+        config: SyncConfig,
+        chain: &dyn BlockChainClient,
+        fork_filter: ForkFilterApi,
+    ) -> Self {
         let chain_info = chain.chain_info();
         let best_block = chain.chain_info().best_block_number;
         let state = Self::get_init_state(config.warp_sync, chain);
@@ -704,6 +712,7 @@ impl ChainSync {
             last_sent_block_number: 0,
             network_id: config.network_id,
             fork_block: config.fork_block,
+            fork_filter,
             download_old_blocks: config.download_old_blocks,
             snapshot: Snapshot::new(),
             sync_start_time: None,
@@ -725,7 +734,7 @@ impl ChainSync {
 
         SyncStatus {
             state: self.state.clone(),
-            protocol_version: ETH_PROTOCOL_VERSION_63.0,
+            protocol_version: ETH_PROTOCOL_VERSION_64.0,
             network_id: self.network_id,
             start_block_number: self.starting_block,
             last_imported_block_number: Some(last_imported_number),
@@ -1255,30 +1264,35 @@ impl ChainSync {
 
     /// Send Status message
     fn send_status(&mut self, io: &mut dyn SyncIo, peer: PeerId) -> Result<(), network::Error> {
+        let eth_protocol_version = io.protocol_version(&ETH_PROTOCOL, peer);
         let warp_protocol_version = io.protocol_version(&PAR_PROTOCOL, peer);
         let warp_protocol = warp_protocol_version != 0;
         let protocol = if warp_protocol {
             warp_protocol_version
         } else {
-            ETH_PROTOCOL_VERSION_63.0
+            eth_protocol_version
         };
         trace!(target: "sync", "Sending status to {}, protocol version {}", peer, protocol);
-        let mut packet = RlpStream::new();
+
+        let mut packet = rlp04::RlpStream::new();
         packet.begin_unbounded_list();
         let chain = io.chain().chain_info();
         packet.append(&(protocol as u32));
         packet.append(&self.network_id);
-        packet.append(&chain.total_difficulty);
-        packet.append(&chain.best_block_hash);
-        packet.append(&chain.genesis_hash);
+        packet.append(&primitive_types07::U256(chain.total_difficulty.0));
+        packet.append(&primitive_types07::H256(chain.best_block_hash.0));
+        packet.append(&primitive_types07::H256(chain.genesis_hash.0));
+        if eth_protocol_version >= ETH_PROTOCOL_VERSION_64.0 {
+            packet.append(&self.fork_filter.current(io.chain()));
+        }
         if warp_protocol {
             let manifest = io.snapshot_service().manifest();
             let block_number = manifest.as_ref().map_or(0, |m| m.block_number);
             let manifest_hash = manifest.map_or(H256::new(), |m| keccak(m.into_rlp()));
-            packet.append(&manifest_hash);
+            packet.append(&primitive_types07::H256(manifest_hash.0));
             packet.append(&block_number);
         }
-        packet.complete_unbounded_list();
+        packet.finalize_unbounded_list();
         io.respond(StatusPacket.id(), packet.out())
     }
 
@@ -1577,7 +1591,11 @@ pub mod tests {
         peer_latest_hash: H256,
         client: &dyn BlockChainClient,
     ) -> ChainSync {
-        let mut sync = ChainSync::new(SyncConfig::default(), client);
+        let mut sync = ChainSync::new(
+            SyncConfig::default(),
+            client,
+            ForkFilterApi::new_dummy(client),
+        );
         insert_dummy_peer(&mut sync, 0, peer_latest_hash);
         sync
     }
diff --git a/ethcore/sync/src/chain/propagator.rs b/ethcore/sync/src/chain/propagator.rs
index 67e711e1d..0a87f21dc 100644
--- a/ethcore/sync/src/chain/propagator.rs
+++ b/ethcore/sync/src/chain/propagator.rs
@@ -450,7 +450,11 @@ mod tests {
         client.add_blocks(2, EachBlockWith::Uncle);
         let queue = RwLock::new(VecDeque::new());
         let block = client.block(BlockId::Latest).unwrap().into_inner();
-        let mut sync = ChainSync::new(SyncConfig::default(), &client);
+        let mut sync = ChainSync::new(
+            SyncConfig::default(),
+            &client,
+            ForkFilterApi::new_dummy(&client),
+        );
         sync.peers.insert(
             0,
             PeerInfo {
@@ -540,7 +544,11 @@ mod tests {
         client.add_blocks(100, EachBlockWith::Uncle);
         client.insert_transaction_to_queue();
         // Sync with no peers
-        let mut sync = ChainSync::new(SyncConfig::default(), &client);
+        let mut sync = ChainSync::new(
+            SyncConfig::default(),
+            &client,
+            ForkFilterApi::new_dummy(&client),
+        );
         let queue = RwLock::new(VecDeque::new());
         let ss = TestSnapshotService::new();
         let mut io = TestIo::new(&mut client, &ss, &queue, None);
@@ -617,7 +625,11 @@ mod tests {
         let mut client = TestBlockChainClient::new();
         client.insert_transaction_with_gas_price_to_queue(U256::zero());
         let block_hash = client.block_hash_delta_minus(1);
-        let mut sync = ChainSync::new(SyncConfig::default(), &client);
+        let mut sync = ChainSync::new(
+            SyncConfig::default(),
+            &client,
+            ForkFilterApi::new_dummy(&client),
+        );
         let queue = RwLock::new(VecDeque::new());
         let ss = TestSnapshotService::new();
         let mut io = TestIo::new(&mut client, &ss, &queue, None);
@@ -655,7 +667,11 @@ mod tests {
         let tx1_hash = client.insert_transaction_to_queue();
         let tx2_hash = client.insert_transaction_with_gas_price_to_queue(U256::zero());
         let block_hash = client.block_hash_delta_minus(1);
-        let mut sync = ChainSync::new(SyncConfig::default(), &client);
+        let mut sync = ChainSync::new(
+            SyncConfig::default(),
+            &client,
+            ForkFilterApi::new_dummy(&client),
+        );
         let queue = RwLock::new(VecDeque::new());
         let ss = TestSnapshotService::new();
         let mut io = TestIo::new(&mut client, &ss, &queue, None);
diff --git a/ethcore/sync/src/lib.rs b/ethcore/sync/src/lib.rs
index 7d8432b8f..bc8030284 100644
--- a/ethcore/sync/src/lib.rs
+++ b/ethcore/sync/src/lib.rs
@@ -27,6 +27,7 @@ extern crate ethcore;
 extern crate ethcore_io as io;
 extern crate ethcore_network as network;
 extern crate ethcore_network_devp2p as devp2p;
+extern crate ethereum_forkid;
 extern crate ethereum_types;
 extern crate ethkey;
 extern crate ethstore;
@@ -34,8 +35,10 @@ extern crate fastmap;
 extern crate keccak_hash as hash;
 extern crate parity_bytes as bytes;
 extern crate parking_lot;
+extern crate primitive_types07;
 extern crate rand;
 extern crate rlp;
+extern crate rlp04;
 extern crate stats;
 extern crate triehash_ethereum;
 
diff --git a/ethcore/sync/src/tests/helpers.rs b/ethcore/sync/src/tests/helpers.rs
index 71edae1ba..194d10ca3 100644
--- a/ethcore/sync/src/tests/helpers.rs
+++ b/ethcore/sync/src/tests/helpers.rs
@@ -18,7 +18,7 @@ use api::PAR_PROTOCOL;
 use bytes::Bytes;
 use chain::{
     sync_packet::{PacketInfo, SyncPacket},
-    ChainSync, SyncSupplier, ETH_PROTOCOL_VERSION_63, PAR_PROTOCOL_VERSION_2,
+    ChainSync, ForkFilterApi, SyncSupplier, ETH_PROTOCOL_VERSION_64, PAR_PROTOCOL_VERSION_2,
 };
 use ethcore::{
     client::{
@@ -30,6 +30,7 @@ use ethcore::{
     spec::Spec,
     test_helpers,
 };
+
 use ethereum_types::H256;
 use io::{IoChannel, IoContext, IoHandler};
 use network::{self, client_version::ClientVersion, PacketId, PeerId, ProtocolId, SessionInfo};
@@ -168,7 +169,7 @@ where
     }
 
     fn eth_protocol_version(&self, _peer: PeerId) -> u8 {
-        ETH_PROTOCOL_VERSION_63.0
+        ETH_PROTOCOL_VERSION_64.0
     }
 
     fn protocol_version(&self, protocol: &ProtocolId, peer_id: PeerId) -> u8 {
@@ -405,7 +406,7 @@ impl TestNet<EthPeer<TestBlockChainClient>> {
         for _ in 0..n {
             let chain = TestBlockChainClient::new();
             let ss = Arc::new(TestSnapshotService::new());
-            let sync = ChainSync::new(config.clone(), &chain);
+            let sync = ChainSync::new(config.clone(), &chain, ForkFilterApi::new_dummy(&chain));
             net.peers.push(Arc::new(EthPeer {
                 sync: RwLock::new(sync),
                 snapshot_service: ss,
@@ -454,7 +455,7 @@ impl TestNet<EthPeer<EthcoreClient>> {
         .unwrap();
 
         let ss = Arc::new(TestSnapshotService::new());
-        let sync = ChainSync::new(config, &*client);
+        let sync = ChainSync::new(config, &*client, ForkFilterApi::new_dummy(&*client));
         let peer = Arc::new(EthPeer {
             sync: RwLock::new(sync),
             snapshot_service: ss,
diff --git a/parity/modules.rs b/parity/modules.rs
index b553bc45a..4a8818a75 100644
--- a/parity/modules.rs
+++ b/parity/modules.rs
@@ -17,7 +17,9 @@
 use std::sync::{mpsc, Arc};
 
 use ethcore::{client::BlockChainClient, snapshot::SnapshotService};
+use std::collections::BTreeSet;
 use sync::{self, ConnectionFilter, NetworkConfiguration, Params, SyncConfig};
+use types::BlockNumber;
 
 pub use ethcore::client::ChainNotify;
 use ethcore_logger::Config as LogConfig;
@@ -34,6 +36,7 @@ pub fn sync(
     config: SyncConfig,
     network_config: NetworkConfiguration,
     chain: Arc<dyn BlockChainClient>,
+    forks: BTreeSet<BlockNumber>,
     snapshot_service: Arc<dyn SnapshotService>,
     _log_settings: &LogConfig,
     connection_filter: Option<Arc<dyn ConnectionFilter>>,
@@ -42,6 +45,7 @@ pub fn sync(
         Params {
             config,
             chain,
+            forks,
             snapshot_service,
             network_config,
         },
diff --git a/parity/run.rs b/parity/run.rs
index b6ba302b7..bcd2bce69 100644
--- a/parity/run.rs
+++ b/parity/run.rs
@@ -360,6 +360,7 @@ pub fn execute(cmd: RunCmd, logger: Arc<RotatingLogger>) -> Result<RunningClient
 
     let connection_filter_address = spec.params().node_permission_contract;
     // drop the spec to free up genesis state.
+    let forks = spec.hard_forks.clone();
     drop(spec);
 
     // take handle to client
@@ -433,6 +434,7 @@ pub fn execute(cmd: RunCmd, logger: Arc<RotatingLogger>) -> Result<RunningClient
         sync_config,
         net_conf.clone().into(),
         client.clone(),
+        forks,
         snapshot_service.clone(),
         &cmd.logger_config,
         connection_filter
diff --git a/rpc/src/v1/tests/helpers/sync_provider.rs b/rpc/src/v1/tests/helpers/sync_provider.rs
index ee70e8797..dfe5cb07c 100644
--- a/rpc/src/v1/tests/helpers/sync_provider.rs
+++ b/rpc/src/v1/tests/helpers/sync_provider.rs
@@ -44,7 +44,7 @@ impl TestSyncProvider {
             status: RwLock::new(SyncStatus {
                 state: SyncState::Idle,
                 network_id: config.network_id,
-                protocol_version: 63,
+                protocol_version: 64,
                 start_block_number: 0,
                 last_imported_block_number: None,
                 highest_block_number: None,
@@ -82,11 +82,11 @@ impl SyncProvider for TestSyncProvider {
             PeerInfo {
                 id: Some("node1".to_owned()),
                 client_version: ClientVersion::from("Parity-Ethereum/1/v2.4.0/linux/rustc"),
-                capabilities: vec!["eth/62".to_owned(), "eth/63".to_owned()],
+                capabilities: vec!["eth/63".to_owned(), "eth/64".to_owned()],
                 remote_address: "127.0.0.1:7777".to_owned(),
                 local_address: "127.0.0.1:8888".to_owned(),
                 eth_info: Some(EthProtocolInfo {
-                    version: 62,
+                    version: 63,
                     difficulty: Some(40.into()),
                     head: 50.into(),
                 }),
@@ -94,11 +94,11 @@ impl SyncProvider for TestSyncProvider {
             PeerInfo {
                 id: None,
                 client_version: ClientVersion::from("Parity-Ethereum/2/v2.4.0/linux/rustc"),
-                capabilities: vec!["eth/63".to_owned(), "eth/64".to_owned()],
+                capabilities: vec!["eth/64".to_owned(), "eth/65".to_owned()],
                 remote_address: "Handshake".to_owned(),
                 local_address: "127.0.0.1:3333".to_owned(),
                 eth_info: Some(EthProtocolInfo {
-                    version: 64,
+                    version: 65,
                     difficulty: None,
                     head: 60.into(),
                 }),
diff --git a/rpc/src/v1/tests/mocked/eth.rs b/rpc/src/v1/tests/mocked/eth.rs
index 42ab6c0da..2eabd674a 100644
--- a/rpc/src/v1/tests/mocked/eth.rs
+++ b/rpc/src/v1/tests/mocked/eth.rs
@@ -137,7 +137,7 @@ impl EthTester {
 #[test]
 fn rpc_eth_protocol_version() {
     let request = r#"{"jsonrpc": "2.0", "method": "eth_protocolVersion", "params": [], "id": 1}"#;
-    let response = r#"{"jsonrpc":"2.0","result":"63","id":1}"#;
+    let response = r#"{"jsonrpc":"2.0","result":"64","id":1}"#;
 
     assert_eq!(
         EthTester::default().io.handle_request_sync(request),
diff --git a/rpc/src/v1/tests/mocked/parity.rs b/rpc/src/v1/tests/mocked/parity.rs
index c0c6f3814..6aa5540aa 100644
--- a/rpc/src/v1/tests/mocked/parity.rs
+++ b/rpc/src/v1/tests/mocked/parity.rs
@@ -212,7 +212,7 @@ fn rpc_parity_net_peers() {
     let io = deps.default_client();
 
     let request = r#"{"jsonrpc": "2.0", "method": "parity_netPeers", "params":[], "id": 1}"#;
-    let response = r#"{"jsonrpc":"2.0","result":{"active":0,"connected":120,"max":50,"peers":[{"caps":["eth/62","eth/63"],"id":"node1","name":{"ParityClient":{"can_handle_large_requests":true,"compiler":"rustc","identity":"1","name":"Parity-Ethereum","os":"linux","semver":"2.4.0"}},"network":{"localAddress":"127.0.0.1:8888","remoteAddress":"127.0.0.1:7777"},"protocols":{"eth":{"difficulty":"0x28","head":"0000000000000000000000000000000000000000000000000000000000000032","version":62}}},{"caps":["eth/63","eth/64"],"id":null,"name":{"ParityClient":{"can_handle_large_requests":true,"compiler":"rustc","identity":"2","name":"Parity-Ethereum","os":"linux","semver":"2.4.0"}},"network":{"localAddress":"127.0.0.1:3333","remoteAddress":"Handshake"},"protocols":{"eth":{"difficulty":null,"head":"000000000000000000000000000000000000000000000000000000000000003c","version":64}}}]},"id":1}"#;
+    let response = r#"{"jsonrpc":"2.0","result":{"active":0,"connected":120,"max":50,"peers":[{"caps":["eth/63","eth/64"],"id":"node1","name":{"ParityClient":{"can_handle_large_requests":true,"compiler":"rustc","identity":"1","name":"Parity-Ethereum","os":"linux","semver":"2.4.0"}},"network":{"localAddress":"127.0.0.1:8888","remoteAddress":"127.0.0.1:7777"},"protocols":{"eth":{"difficulty":"0x28","head":"0000000000000000000000000000000000000000000000000000000000000032","version":63}}},{"caps":["eth/64","eth/65"],"id":null,"name":{"ParityClient":{"can_handle_large_requests":true,"compiler":"rustc","identity":"2","name":"Parity-Ethereum","os":"linux","semver":"2.4.0"}},"network":{"localAddress":"127.0.0.1:3333","remoteAddress":"Handshake"},"protocols":{"eth":{"difficulty":null,"head":"000000000000000000000000000000000000000000000000000000000000003c","version":65}}}]},"id":1}"#;
 
     assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
 }