diff --git a/Cargo.lock b/Cargo.lock
index 1709ea7..c06cdd3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10,9 +10,9 @@ checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
 
 [[package]]
 name = "aes"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35f0f96ce78e38c3dc6d8948aa8163d06385be74000f3c7a95bf1eef35d3ea32"
+checksum = "fc0fc36d7440d015b45468ba08a21e80e056ebbd014c611c6298bb7503e04bd1"
 dependencies = [
  "cipher",
  "cpubits",