diff --git a/Cargo.toml b/Cargo.toml
index 231c657..b663876 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ version          = "0.4.0"
 default-features = false
 
 [dependencies.cipher]
-version          = "0.3.0"
+version          = "0.4.3"
 default-features = false
 
 [dev-dependencies]