diff --git a/Cargo.lock b/Cargo.lock
index 79e018c7e..823091e8b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1445,7 +1445,7 @@ dependencies = [
  "ethkey 0.4.0",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-server-utils 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-server-utils 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "keccak-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb-rocksdb 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1498,8 +1498,8 @@ version = "1.12.0"
 dependencies = [
  "env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-tcp-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-tcp-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "keccak-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2276,7 +2276,7 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-core"
-version = "14.0.1"
+version = "14.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2288,7 +2288,7 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-derive"
-version = "14.0.1"
+version = "14.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2299,12 +2299,12 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-http-server"
-version = "14.0.1"
+version = "14.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hyper 0.12.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-server-utils 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-server-utils 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2313,11 +2313,11 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-ipc-server"
-version = "14.0.1"
+version = "14.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-server-utils 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-server-utils 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-tokio-ipc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2326,10 +2326,10 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-pubsub"
-version = "14.0.1"
+version = "14.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2337,12 +2337,12 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-server-utils"
-version = "14.0.1"
+version = "14.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "globset 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2352,11 +2352,11 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-tcp-server"
-version = "14.0.1"
+version = "14.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-server-utils 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-server-utils 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-service 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2364,11 +2364,11 @@ dependencies = [
 
 [[package]]
 name = "jsonrpc-ws-server"
-version = "14.0.1"
+version = "14.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-server-utils 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-server-utils 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3024,7 +3024,7 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipnetwork 0.12.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "journaldb 0.2.0",
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "keccak-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb-rocksdb 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3102,8 +3102,8 @@ dependencies = [
  "common-types 0.1.0",
  "ethcore 1.12.0",
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-http-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-http-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "multihash 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-bytes 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3183,12 +3183,12 @@ dependencies = [
  "fetch 0.1.0",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-derive 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-http-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-ipc-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-pubsub 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-ws-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-derive 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-http-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-ipc-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-pubsub 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-ws-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "keccak-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "machine 0.1.0",
@@ -3229,8 +3229,8 @@ version = "1.4.0"
 dependencies = [
  "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-ws-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-ws-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "keccak-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5523,14 +5523,14 @@ dependencies = [
 "checksum jemallocator 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "9f0cd42ac65f758063fea55126b0148b1ce0a6354ff78e07a4d6806bc65c4ab3"
 "checksum jni 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "294eca097d1dc0bf59de5ab9f7eafa5f77129e9f6464c957ed3ddeb705fb4292"
 "checksum jni-sys 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
-"checksum jsonrpc-core 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9b392c9e8e43a12e6b21160903f473b1066e57fe18477394a93a1efd25654003"
-"checksum jsonrpc-derive 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f79f30bf70049564c507b968162b8fd4bf114514bdacc1e90f9d891f8a66fce3"
-"checksum jsonrpc-http-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dd3d54c822dc67707f21b15f13995b24eb090501c8ad67782b5484c9be36255b"
-"checksum jsonrpc-ipc-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bed0288dfe341a68a5a54d824db5db0cbb9acb8f642cc5e1ac3e58239f24baed"
-"checksum jsonrpc-pubsub 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe9faf8ba7ea28c58937cfbca538db1af11a9e72eae1aa8e6a83926b6b4dc46"
-"checksum jsonrpc-server-utils 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "629792d44acc93f39800cd4c6524d7f33b30d66f24d3a9374af7ecbe71a4f8bf"
-"checksum jsonrpc-tcp-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2ad0831b17761fa226e54d36284977cab07a29153242e41f67b7fdb2bfd147d5"
-"checksum jsonrpc-ws-server 14.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "338664631e75cf752468a0d8ec3ba82df4caaacd942b4c34ea67db2556308e20"
+"checksum jsonrpc-core 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "34651edf3417637cc45e70ed0182ecfa9ced0b7e8131805fccf7400d989845ca"
+"checksum jsonrpc-derive 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d5d5c31575cc70a8b21542599028472c80a9248394aeea4d8918a045a0ab08a3"
+"checksum jsonrpc-http-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "aa54c4c2d88cb5e04b251a5031ba0f2ee8c6ef30970e31228955b89a80c3b611"
+"checksum jsonrpc-ipc-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b579cd0840d7db3ebaadf52f6f31ec601a260e78d610e44f68634f919e34497a"
+"checksum jsonrpc-pubsub 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3ee1b8da0b9219a231c4b7cbc7110bfdb457cbcd8d90a6224d0b3cab8aae8443"
+"checksum jsonrpc-server-utils 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "87bc3c0a9a282211b2ec14abb3e977de33016bbec495332e9f7be858de7c5117"
+"checksum jsonrpc-tcp-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9c7807563cd721401285b59b54358f5b2325b4de6ff6f1de5494a5879e890fc1"
+"checksum jsonrpc-ws-server 14.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "af36a129cef77a9db8028ac7552d927e1bb7b6928cd96b23dd25cc38bff974ab"
 "checksum keccak-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e563fa6fe52b2686094846118bf2cb2e6f75e6b8cec6c3aba09be8e835c7f998"
 "checksum keccak-hasher 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3bf18164fd7ce989041f8fc4a1ae72a8bd1bec3575f2aeaf1d4968fc053aabef"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
diff --git a/Cargo.toml b/Cargo.toml
index 7783237f0..c81f5acb3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ ethstore = { path = "accounts/ethstore" }
 fdlimit = "0.1"
 futures = "0.1"
 journaldb = { path = "util/journaldb" }
-jsonrpc-core = "14.0.1"
+jsonrpc-core = "14.0.3"
 keccak-hash = "0.4.0"
 kvdb = "0.1"
 kvdb-rocksdb = "0.1.5"
diff --git a/cli-signer/rpc-client/Cargo.toml b/cli-signer/rpc-client/Cargo.toml
index 224ba3bcb..c8c568fc1 100644
--- a/cli-signer/rpc-client/Cargo.toml
+++ b/cli-signer/rpc-client/Cargo.toml
@@ -15,7 +15,7 @@ serde_json = "1.0"
 url = "2.1.0"
 matches = "0.1"
 parking_lot = "0.9"
-jsonrpc-core = "14.0.1"
-jsonrpc-ws-server = "14.0.1"
+jsonrpc-core = "14.0.3"
+jsonrpc-ws-server = "14.0.3"
 parity-rpc = { path = "../../rpc" }
 keccak-hash = "0.4.0"
diff --git a/ipfs/Cargo.toml b/ipfs/Cargo.toml
index 79ad7e26c..adb42f9e5 100644
--- a/ipfs/Cargo.toml
+++ b/ipfs/Cargo.toml
@@ -12,8 +12,8 @@ common-types = { path = "../ethcore/types" }
 ethcore = { path = "../ethcore" }
 bytes = { package = "parity-bytes", version = "0.1"}
 ethereum-types = "0.8.0"
-jsonrpc-core = "14.0.1"
-http = { package = "jsonrpc-http-server", version = "14.0.1"}
+jsonrpc-core = "14.0.3"
+http = { package = "jsonrpc-http-server", version = "14.0.3"}
 rlp = "0.4.0"
 cid = "0.3"
 multihash = "0.8"
diff --git a/miner/stratum/Cargo.toml b/miner/stratum/Cargo.toml
index 9fbb54f93..971dd4400 100644
--- a/miner/stratum/Cargo.toml
+++ b/miner/stratum/Cargo.toml
@@ -8,8 +8,8 @@ authors = ["Parity Technologies <admin@parity.io>"]
 [dependencies]
 ethereum-types = "0.8.0"
 keccak-hash = "0.4.0"
-jsonrpc-core = "14.0.1"
-jsonrpc-tcp-server = "14.0.1"
+jsonrpc-core = "14.0.3"
+jsonrpc-tcp-server = "14.0.3"
 log = "0.4"
 parking_lot = "0.9"
 
diff --git a/rpc/Cargo.toml b/rpc/Cargo.toml
index 3e927f699..3b8abd494 100644
--- a/rpc/Cargo.toml
+++ b/rpc/Cargo.toml
@@ -28,12 +28,12 @@ tokio-timer = "0.1"
 transient-hashmap = "0.4"
 itertools = "0.5"
 
-jsonrpc-core = "14.0.1"
-jsonrpc-derive = "14.0.1"
-jsonrpc-http-server = "14.0.1"
-jsonrpc-ws-server = "14.0.1"
-jsonrpc-ipc-server = "14.0.1"
-jsonrpc-pubsub = "14.0.1"
+jsonrpc-core = "14.0.3"
+jsonrpc-derive = "14.0.3"
+jsonrpc-http-server = "14.0.3"
+jsonrpc-ws-server = "14.0.3"
+jsonrpc-ipc-server = "14.0.3"
+jsonrpc-pubsub = "14.0.3"
 
 client-traits = { path = "../ethcore/client-traits" }
 common-types = { path = "../ethcore/types" }
diff --git a/secret-store/Cargo.toml b/secret-store/Cargo.toml
index 24af2a798..37a8e1a5f 100644
--- a/secret-store/Cargo.toml
+++ b/secret-store/Cargo.toml
@@ -38,7 +38,7 @@ tokio = "0.1.22"
 tokio-io = "0.1"
 tokio-service = "0.1"
 url = "2.1.0"
-jsonrpc-server-utils = "14.0.1"
+jsonrpc-server-utils = "14.0.3"
 
 [dev-dependencies]
 env_logger = "0.5"