diff --git a/Cargo.lock b/Cargo.lock
index 63fc69cfc..3e2d85202 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -363,7 +363,7 @@ dependencies = [
  "bloomable 0.1.0",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethjson 0.1.0",
  "hash 0.1.0",
  "heapsize 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -577,7 +577,7 @@ dependencies = [
  "ethcore-ipc-nano 1.8.0",
  "ethcore-logger 1.8.0",
  "ethcore-stratum 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethjson 0.1.0",
  "ethkey 0.2.0",
  "ethstore 0.1.0",
@@ -673,7 +673,7 @@ version = "1.8.0"
 dependencies = [
  "ethcore-bigint 0.1.3",
  "ethcore-devtools 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "nanomsg 0.5.1 (git+https://github.com/paritytech/nanomsg.rs.git?branch=parity-1.7)",
  "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -723,7 +723,7 @@ dependencies = [
  "ethcore-ipc 1.8.0",
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-ipc-nano 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "nanomsg 0.5.1 (git+https://github.com/paritytech/nanomsg.rs.git?branch=parity-1.7)",
  "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -742,7 +742,7 @@ dependencies = [
  "ethcore-ipc 1.8.0",
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-network 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "evm 0.1.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
@@ -794,7 +794,7 @@ dependencies = [
  "ethcore-devtools 1.8.0",
  "ethcore-io 1.8.0",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
  "hash 0.1.0",
@@ -829,7 +829,7 @@ dependencies = [
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-ipc-nano 1.8.0",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -865,7 +865,7 @@ dependencies = [
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-ipc-nano 1.8.0",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "hash 0.1.0",
  "jsonrpc-core 8.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.8)",
  "jsonrpc-macros 8.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.8)",
@@ -878,7 +878,7 @@ dependencies = [
 
 [[package]]
 name = "ethcore-util"
-version = "1.8.7"
+version = "1.8.8"
 dependencies = [
  "clippy 0.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "elastic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1013,7 +1013,7 @@ dependencies = [
  "ethcore-ipc-nano 1.8.0",
  "ethcore-light 1.8.0",
  "ethcore-network 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethkey 0.2.0",
  "hash 0.1.0",
  "heapsize 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1040,7 +1040,7 @@ dependencies = [
  "common-types 0.1.0",
  "ethcore-bigint 0.1.3",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethjson 0.1.0",
  "evmjit 1.8.0",
  "hash 0.1.0",
@@ -1062,7 +1062,7 @@ dependencies = [
  "ethcore 1.8.0",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethjson 0.1.0",
  "evm 0.1.0",
  "panic_hook 0.1.0",
@@ -1360,7 +1360,7 @@ dependencies = [
  "ethcore-bigint 0.1.3",
  "ethcore-ipc 1.8.0",
  "ethcore-ipc-codegen 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1871,7 +1871,7 @@ dependencies = [
  "ethcore-bytes 0.1.0",
  "ethcore-io 1.8.0",
  "ethcore-network 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb-memorydb 0.1.0",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2070,7 +2070,7 @@ dependencies = [
 
 [[package]]
 name = "parity"
-version = "1.8.7"
+version = "1.8.8"
 dependencies = [
  "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "app_dirs 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2094,7 +2094,7 @@ dependencies = [
  "ethcore-network 1.8.0",
  "ethcore-secretstore 1.0.0",
  "ethcore-stratum 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethkey 0.2.0",
  "ethsync 1.8.0",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2150,7 +2150,7 @@ dependencies = [
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
  "ethcore-devtools 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "fetch 0.1.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2212,7 +2212,7 @@ dependencies = [
  "ethabi 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "fetch 0.1.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
@@ -2234,7 +2234,7 @@ dependencies = [
  "ethcore 1.8.0",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "jsonrpc-core 8.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.8)",
  "jsonrpc-http-server 8.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.8)",
  "multihash 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2248,7 +2248,7 @@ version = "0.1.0"
 dependencies = [
  "ethcore 1.8.0",
  "ethcore-io 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethkey 0.2.0",
  "kvdb 0.1.0",
  "kvdb-memorydb 0.1.0",
@@ -2264,7 +2264,7 @@ name = "parity-machine"
 version = "0.1.0"
 dependencies = [
  "ethcore-bigint 0.1.3",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
 ]
 
 [[package]]
@@ -2292,7 +2292,7 @@ dependencies = [
  "ethcore-light 1.8.0",
  "ethcore-logger 1.8.0",
  "ethcore-network 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethcrypto 0.1.0",
  "ethjson 0.1.0",
  "ethkey 0.2.0",
@@ -2403,7 +2403,7 @@ dependencies = [
  "ethcore-bytes 0.1.0",
  "ethcore-ipc 1.8.0",
  "ethcore-ipc-codegen 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethsync 1.8.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-common-types 1.8.0",
@@ -2867,7 +2867,7 @@ name = "rpc-cli"
 version = "1.4.0"
 dependencies = [
  "bigint 4.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-rpc 1.8.0",
  "parity-rpc-client 1.4.0",
@@ -3592,7 +3592,7 @@ dependencies = [
  "common-types 0.1.0",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "ethjson 0.1.0",
  "evmjit 1.8.0",
  "hash 0.1.0",
@@ -3614,7 +3614,7 @@ dependencies = [
  "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-bigint 0.1.3",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.7",
+ "ethcore-util 1.8.8",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-wasm 0.15.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "vm 0.1.0",
diff --git a/Cargo.toml b/Cargo.toml
index cf088c226..b7e562cf3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 description = "Parity Ethereum client"
 name = "parity"
-version = "1.8.7"
+version = "1.8.8"
 license = "GPL-3.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
diff --git a/mac/Parity.pkgproj b/mac/Parity.pkgproj
index a7d0be08f..6ffea6f04 100755
--- a/mac/Parity.pkgproj
+++ b/mac/Parity.pkgproj
@@ -462,7 +462,7 @@
 				<key>OVERWRITE_PERMISSIONS</key>
 				<false/>
 				<key>VERSION</key>
-				<string>1.8.7</string>
+				<string>1.8.8</string>
 			</dict>
 			<key>UUID</key>
 			<string>2DCD5B81-7BAF-4DA1-9251-6274B089FD36</string>
diff --git a/nsis/installer.nsi b/nsis/installer.nsi
index fd76012bb..054bb1eae 100644
--- a/nsis/installer.nsi
+++ b/nsis/installer.nsi
@@ -10,7 +10,7 @@
 !define DESCRIPTION "Fast, light, robust Ethereum implementation"
 !define VERSIONMAJOR 1
 !define VERSIONMINOR 8
-!define VERSIONBUILD 7
+!define VERSIONBUILD 8
 !define ARGS ""
 !define FIRST_START_ARGS "--mode=passive ui"
 
diff --git a/util/Cargo.toml b/util/Cargo.toml
index 24668b726..40413fb73 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -3,7 +3,7 @@ description = "Ethcore utility library"
 homepage = "http://parity.io"
 license = "GPL-3.0"
 name = "ethcore-util"
-version = "1.8.7"
+version = "1.8.8"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"