diff --git a/Cargo.toml b/Cargo.toml
index 1ca865a..c64ded2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ openssl = "0.7"
 rustc-serialize = "0.3"
 rust-crypto = "0.2"
 time = "0.1"
-uuid = "0.1"
+uuid = { version = "0.2", features = ["v4"] }
 
 [dev-dependencies]
 env_logger = "0.3"