diff --git a/Cargo.toml b/Cargo.toml
index 59ff86d..0897549 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ sha1 = "0.10"
 sha2 = "0.10"
 hex = "0.4"
 hex-literal = "0.4"
-aes = "0.8"
+aes = "0.9"
 ctr = "0.9"
 hmac = "0.12"
 md-5 = "0.10"