diff --git a/Cargo.lock b/Cargo.lock
index b6caf0284..f1a6b689b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -277,7 +277,7 @@ dependencies = [
 name = "common-types"
 version = "0.1.0"
 dependencies = [
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethjson 0.1.0",
  "rlp 0.2.0",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -434,7 +434,7 @@ dependencies = [
 
 [[package]]
 name = "ethabi"
-version = "2.0.0"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -466,7 +466,7 @@ dependencies = [
  "common-types 0.1.0",
  "crossbeam 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethabi 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethabi 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethash 1.7.0",
  "ethcore-bloom-journal 0.1.0",
  "ethcore-devtools 1.7.0",
@@ -476,7 +476,7 @@ dependencies = [
  "ethcore-ipc-nano 1.7.0",
  "ethcore-logger 1.7.0",
  "ethcore-stratum 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethjson 0.1.0",
  "ethkey 0.2.0",
  "ethstore 0.1.0",
@@ -545,7 +545,7 @@ name = "ethcore-ipc"
 version = "1.7.0"
 dependencies = [
  "ethcore-devtools 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "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)",
 ]
@@ -594,7 +594,7 @@ dependencies = [
  "ethcore-ipc 1.7.0",
  "ethcore-ipc-codegen 1.7.0",
  "ethcore-ipc-nano 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "log 0.3.7 (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)",
@@ -611,7 +611,7 @@ dependencies = [
  "ethcore-ipc 1.7.0",
  "ethcore-ipc-codegen 1.7.0",
  "ethcore-network 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "evm 0.1.0",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -650,7 +650,7 @@ dependencies = [
  "ethcore-devtools 1.7.0",
  "ethcore-io 1.7.0",
  "ethcore-logger 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
  "igd 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -674,14 +674,14 @@ name = "ethcore-secretstore"
 version = "1.0.0"
 dependencies = [
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethabi 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethabi 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.7.0",
  "ethcore-devtools 1.7.0",
  "ethcore-ipc 1.7.0",
  "ethcore-ipc-codegen 1.7.0",
  "ethcore-ipc-nano 1.7.0",
  "ethcore-logger 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -711,7 +711,7 @@ dependencies = [
  "ethcore-ipc-codegen 1.7.0",
  "ethcore-ipc-nano 1.7.0",
  "ethcore-logger 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-macros 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -724,7 +724,7 @@ dependencies = [
 
 [[package]]
 name = "ethcore-util"
-version = "1.7.6"
+version = "1.7.7"
 dependencies = [
  "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clippy 0.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -774,7 +774,7 @@ name = "ethjson"
 version = "0.1.0"
 dependencies = [
  "clippy 0.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -855,7 +855,7 @@ dependencies = [
  "ethcore-ipc-nano 1.7.0",
  "ethcore-light 1.7.0",
  "ethcore-network 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethkey 0.2.0",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -874,7 +874,7 @@ dependencies = [
  "bit-set 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "common-types 0.1.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethjson 0.1.0",
  "evmjit 1.7.0",
  "lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -891,7 +891,7 @@ version = "0.1.0"
 dependencies = [
  "docopt 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethjson 0.1.0",
  "evm 0.1.0",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1136,7 +1136,7 @@ version = "1.7.0"
 dependencies = [
  "ethcore-ipc 1.7.0",
  "ethcore-ipc-codegen 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1520,7 +1520,7 @@ dependencies = [
 name = "native-contract-generator"
 version = "0.1.0"
 dependencies = [
- "ethabi 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethabi 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heck 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1529,8 +1529,8 @@ name = "native-contracts"
 version = "0.1.0"
 dependencies = [
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethabi 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethcore-util 1.7.6",
+ "ethabi 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-util 1.7.7",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-contract-generator 0.1.0",
 ]
@@ -1735,7 +1735,7 @@ dependencies = [
 
 [[package]]
 name = "parity"
-version = "1.7.6"
+version = "1.7.7"
 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)",
@@ -1755,7 +1755,7 @@ dependencies = [
  "ethcore-logger 1.7.0",
  "ethcore-secretstore 1.0.0",
  "ethcore-stratum 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethkey 0.2.0",
  "ethsync 1.7.0",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1801,7 +1801,7 @@ dependencies = [
  "clippy 0.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-devtools 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "fetch 0.1.0",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -1844,8 +1844,8 @@ dependencies = [
 name = "parity-hash-fetch"
 version = "1.7.0"
 dependencies = [
- "ethabi 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethcore-util 1.7.6",
+ "ethabi 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethcore-util 1.7.7",
  "fetch 0.1.0",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1863,7 +1863,7 @@ version = "1.7.0"
 dependencies = [
  "cid 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "jsonrpc-http-server 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "mime 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "multihash 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1876,7 +1876,7 @@ version = "0.1.0"
 dependencies = [
  "ethcore 1.7.0",
  "ethcore-io 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethkey 0.2.0",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp 0.2.0",
@@ -1906,7 +1906,7 @@ dependencies = [
  "ethcore-ipc 1.7.0",
  "ethcore-light 1.7.0",
  "ethcore-logger 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethcrypto 0.1.0",
  "ethjson 0.1.0",
  "ethkey 0.2.0",
@@ -1948,7 +1948,7 @@ dependencies = [
 name = "parity-rpc-client"
 version = "1.4.0"
 dependencies = [
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-ws-server 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -2007,11 +2007,11 @@ dependencies = [
 name = "parity-updater"
 version = "1.7.0"
 dependencies = [
- "ethabi 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethabi 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.7.0",
  "ethcore-ipc 1.7.0",
  "ethcore-ipc-codegen 1.7.0",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "ethsync 1.7.0",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipc-common-types 1.7.0",
@@ -2367,7 +2367,7 @@ name = "rpc-cli"
 version = "1.4.0"
 dependencies = [
  "bigint 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethcore-util 1.7.6",
+ "ethcore-util 1.7.7",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-rpc 1.7.0",
  "parity-rpc-client 1.4.0",
@@ -3163,7 +3163,7 @@ dependencies = [
 "checksum env_logger 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e3856f1697098606fc6cb97a93de88ca3f3bc35bb878c725920e6e82ecf05e83"
 "checksum error-chain 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd5c82c815138e278b8dcdeffc49f27ea6ffb528403e9dea4194f2e3dd40b143"
 "checksum eth-secp256k1 0.5.6 (git+https://github.com/paritytech/rust-secp256k1)" = "<none>"
-"checksum ethabi 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0c3d62319ee0f35abf20afe8859dd2668195912614346447bb2dee9fb8da7c62"
+"checksum ethabi 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8a6af84a622f9169efc6ead7f70043ca2058ef261c50e5e1e2ac60ccd381e386"
 "checksum fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b1ee15a7050e5580b3712877157068ea713b245b080ff302ae2ca973cfcd9baa"
 "checksum flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "3eeb481e957304178d2e782f2da1257f1434dfecbae883bafb61ada2a9fea3bb"
 "checksum fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc484842f1e2884faf56f529f960cc12ad8c71ce96cc7abba0a067c98fee344"
diff --git a/Cargo.toml b/Cargo.toml
index 88e20a631..4e796d0c2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 description = "Parity Ethereum client"
 name = "parity"
-version = "1.7.6"
+version = "1.7.7"
 license = "GPL-3.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
diff --git a/mac/Parity.pkgproj b/mac/Parity.pkgproj
index 2c9c12a80..79daf0243 100755
--- a/mac/Parity.pkgproj
+++ b/mac/Parity.pkgproj
@@ -462,7 +462,7 @@
 				<key>OVERWRITE_PERMISSIONS</key>
 				<false/>
 				<key>VERSION</key>
-				<string>1.7.6</string>
+				<string>1.7.7</string>
 			</dict>
 			<key>UUID</key>
 			<string>2DCD5B81-7BAF-4DA1-9251-6274B089FD36</string>
diff --git a/nsis/installer.nsi b/nsis/installer.nsi
index a66aae187..5c48ba298 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 7
-!define VERSIONBUILD 6
+!define VERSIONBUILD 7
 !define ARGS "--warp"
 !define FIRST_START_ARGS "ui --warp --mode=passive"
 
diff --git a/util/Cargo.toml b/util/Cargo.toml
index a15057f10..4de2bbf9f 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 = "1.7.6"
+version = "1.7.7"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"