diff --git a/Cargo.toml b/Cargo.toml
index 49bf2db..b9db0f6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,4 +9,4 @@ authors = ["Parity Technologies <admin@parity.io>"]
 error-chain = "0.11"
 log = "0.3"
 smallvec = "0.4"
-ethereum-types = "0.2"
+ethereum-types = "0.3"