diff --git a/Cargo.lock b/Cargo.lock
index cf557d488..d5e8ecdcc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1363,7 +1363,7 @@ dependencies = [
[[package]]
name = "parity-ui-precompiled"
version = "1.4.0"
-source = "git+https://github.com/ethcore/js-precompiled.git#a80a0c512cf569985ec1fffc5ea5ae70eb6c1e1f"
+source = "git+https://github.com/ethcore/js-precompiled.git#762c6d10f8640a6c4b875d776490282680bfe3e2"
dependencies = [
"parity-dapps-glue 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
diff --git a/ethcore/src/client/test_client.rs b/ethcore/src/client/test_client.rs
index 7d619ffba..81c948b00 100644
--- a/ethcore/src/client/test_client.rs
+++ b/ethcore/src/client/test_client.rs
@@ -90,6 +90,8 @@ pub struct TestBlockChainClient {
pub ancient_block: RwLock