diff --git a/Cargo.lock b/Cargo.lock
index 16a0c09b9..68dce57ce 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5,7 +5,7 @@ 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 1.8.0",
+ "ethcore-util 1.8.1",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-wasm 0.14.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "vm 0.1.0",
@@ -374,7 +374,7 @@ dependencies = [
  "bloomable 0.1.0",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethjson 0.1.0",
  "hash 0.1.0",
  "heapsize 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -588,7 +588,7 @@ dependencies = [
  "ethcore-ipc-nano 1.8.0",
  "ethcore-logger 1.8.0",
  "ethcore-stratum 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethjson 0.1.0",
  "ethkey 0.2.0",
  "ethstore 0.1.0",
@@ -682,7 +682,7 @@ version = "1.8.0"
 dependencies = [
  "ethcore-bigint 0.1.3",
  "ethcore-devtools 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "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)",
 ]
@@ -732,7 +732,7 @@ dependencies = [
  "ethcore-ipc 1.8.0",
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-ipc-nano 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "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)",
@@ -751,7 +751,7 @@ dependencies = [
  "ethcore-ipc 1.8.0",
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-network 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "evm 0.1.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
@@ -801,7 +801,7 @@ dependencies = [
  "ethcore-devtools 1.8.0",
  "ethcore-io 1.8.0",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
  "hash 0.1.0",
@@ -836,7 +836,7 @@ dependencies = [
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-ipc-nano 1.8.0",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -871,7 +871,7 @@ dependencies = [
  "ethcore-ipc-codegen 1.8.0",
  "ethcore-ipc-nano 1.8.0",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "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)",
@@ -884,7 +884,7 @@ dependencies = [
 
 [[package]]
 name = "ethcore-util"
-version = "1.8.0"
+version = "1.8.1"
 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)",
@@ -1018,7 +1018,7 @@ dependencies = [
  "ethcore-ipc-nano 1.8.0",
  "ethcore-light 1.8.0",
  "ethcore-network 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethkey 0.2.0",
  "hash 0.1.0",
  "heapsize 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1044,7 +1044,7 @@ dependencies = [
  "common-types 0.1.0",
  "ethcore-bigint 0.1.3",
  "ethcore-logger 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethjson 0.1.0",
  "evmjit 1.8.0",
  "hash 0.1.0",
@@ -1066,7 +1066,7 @@ dependencies = [
  "ethcore 1.8.0",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethjson 0.1.0",
  "evm 0.1.0",
  "panic_hook 0.1.0",
@@ -1364,7 +1364,7 @@ dependencies = [
  "ethcore-bigint 0.1.3",
  "ethcore-ipc 1.8.0",
  "ethcore-ipc-codegen 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1857,7 +1857,7 @@ dependencies = [
  "ethcore-bytes 0.1.0",
  "ethcore-io 1.8.0",
  "ethcore-network 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2056,7 +2056,7 @@ dependencies = [
 
 [[package]]
 name = "parity"
-version = "1.8.0"
+version = "1.8.1"
 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)",
@@ -2080,7 +2080,7 @@ dependencies = [
  "ethcore-network 1.8.0",
  "ethcore-secretstore 1.0.0",
  "ethcore-stratum 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethkey 0.2.0",
  "ethsync 1.8.0",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2136,7 +2136,7 @@ dependencies = [
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
  "ethcore-devtools 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "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)",
@@ -2198,7 +2198,7 @@ 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 1.8.0",
+ "ethcore-util 1.8.1",
  "fetch 0.1.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
@@ -2220,7 +2220,7 @@ dependencies = [
  "ethcore 1.8.0",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "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)",
@@ -2234,7 +2234,7 @@ version = "0.1.0"
 dependencies = [
  "ethcore 1.8.0",
  "ethcore-io 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethkey 0.2.0",
  "kvdb 0.1.0",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2249,7 +2249,7 @@ name = "parity-machine"
 version = "0.1.0"
 dependencies = [
  "ethcore-bigint 0.1.3",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
 ]
 
 [[package]]
@@ -2277,7 +2277,7 @@ dependencies = [
  "ethcore-light 1.8.0",
  "ethcore-logger 1.8.0",
  "ethcore-network 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethcrypto 0.1.0",
  "ethjson 0.1.0",
  "ethkey 0.2.0",
@@ -2387,7 +2387,7 @@ dependencies = [
  "ethcore-bytes 0.1.0",
  "ethcore-ipc 1.8.0",
  "ethcore-ipc-codegen 1.8.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethsync 1.8.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-common-types 1.8.0",
@@ -2849,7 +2849,7 @@ name = "rpc-cli"
 version = "1.4.0"
 dependencies = [
  "bigint 4.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-rpc 1.8.0",
  "parity-rpc-client 1.4.0",
@@ -3565,7 +3565,7 @@ dependencies = [
  "common-types 0.1.0",
  "ethcore-bigint 0.1.3",
  "ethcore-bytes 0.1.0",
- "ethcore-util 1.8.0",
+ "ethcore-util 1.8.1",
  "ethjson 0.1.0",
  "evmjit 1.8.0",
  "hash 0.1.0",
diff --git a/Cargo.toml b/Cargo.toml
index cf208330d..0f07dc802 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 description = "Parity Ethereum client"
 name = "parity"
-version = "1.8.0"
+version = "1.8.1"
 license = "GPL-3.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
diff --git a/mac/Parity.pkgproj b/mac/Parity.pkgproj
index 1c87af629..111756a2f 100755
--- a/mac/Parity.pkgproj
+++ b/mac/Parity.pkgproj
@@ -462,7 +462,7 @@
 				<key>OVERWRITE_PERMISSIONS</key>
 				<false/>
 				<key>VERSION</key>
-				<string>1.8.0</string>
+				<string>1.8.1</string>
 			</dict>
 			<key>UUID</key>
 			<string>2DCD5B81-7BAF-4DA1-9251-6274B089FD36</string>
diff --git a/nsis/installer.nsi b/nsis/installer.nsi
index 25ba98863..4bea3b740 100644
--- a/nsis/installer.nsi
+++ b/nsis/installer.nsi
@@ -10,9 +10,9 @@
 !define DESCRIPTION "Fast, light, robust Ethereum implementation"
 !define VERSIONMAJOR 1
 !define VERSIONMINOR 8
-!define VERSIONBUILD 0
-!define ARGS "--warp"
-!define FIRST_START_ARGS "ui --warp --mode=passive"
+!define VERSIONBUILD 1
+!define ARGS ""
+!define FIRST_START_ARGS "ui --mode=passive"
 
 !addplugindir .\
 
diff --git a/util/Cargo.toml b/util/Cargo.toml
index d9faa1786..8b5a7e476 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 = "1.8.0"
+version = "1.8.1"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"