diff --git a/Cargo.toml b/Cargo.toml
index a7b1fa4..ee9d472 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ ethcore-bytes = { version = "0.1.0", path = "../bytes" }
 ethcore-bigint = { version = "0.2.1", path = "../bigint" }
 keccak-hash = { version = "0.1.0", path = "../hash" }
 hashdb = { version = "0.1.1", path = "../hashdb" }
-rlp = { version = "0.2.0", path = "../rlp" }
+rlp = { version = "0.2.1", path = "../rlp" }
 triehash = { version = "0.1.0", path = "../triehash" }
 memorydb = { version = "0.1.0", path = "../memorydb" }
 ethcore-logger = { version = "1.9.0", path = "../../logger" }