diff --git a/Cargo.lock b/Cargo.lock
index 95be811e2..b8e14e5fa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1249,7 +1249,7 @@ dependencies = [
 [[package]]
 name = "parity-ui-precompiled"
 version = "1.4.0"
-source = "git+https://github.com/ethcore/js-precompiled.git#bf33dd4aabd2adb2178576db5a4d23b8902d39b8"
+source = "git+https://github.com/ethcore/js-precompiled.git#7bf550e482ef274480d1fd7e1ceb2efddd747dbd"
 dependencies = [
  "parity-dapps-glue 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/js/package.json b/js/package.json
index 270e270b6..2556a5f80 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "parity.js",
-  "version": "0.2.37",
+  "version": "0.2.38",
   "main": "release/index.js",
   "jsnext:main": "src/index.js",
   "author": "Parity Team <admin@parity.io>",
diff --git a/util/benches/bigint.rs b/util/benches/bigint.rs
index 8855960e5..00a565e20 100644
--- a/util/benches/bigint.rs
+++ b/util/benches/bigint.rs
@@ -24,7 +24,7 @@
 #![feature(asm)]
 
 extern crate test;
-extern crate bigint;
+extern crate ethcore_bigint as bigint;
 
 use test::{Bencher, black_box};
 use bigint::uint::{U256, U512, Uint, U128};
diff --git a/util/benches/rlp.rs b/util/benches/rlp.rs
index c489afff7..23ae4d829 100644
--- a/util/benches/rlp.rs
+++ b/util/benches/rlp.rs
@@ -23,12 +23,13 @@
 #![feature(test)]
 
 extern crate test;
-extern crate ethcore_util;
+extern crate rlp;
+extern crate ethcore_bigint as bigint;
 
 use test::Bencher;
 use std::str::FromStr;
-use ethcore_util::rlp::*;
-use ethcore_util::U256;
+use rlp::*;
+use bigint::uint::U256;
 
 #[bench]
 fn bench_stream_u64_value(b: &mut Bencher) {