diff --git a/Cargo.lock b/Cargo.lock
index ad4d3020..a37de519 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -18,9 +18,9 @@ dependencies = [
 
 [[package]]
 name = "aes"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac1f845298e95f983ff1944b728ae08b8cebab80d684f0a832ed0fc74dfa27e2"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
 dependencies = [
  "cfg-if",
  "cipher 0.4.4",
diff --git a/ccm/Cargo.toml b/ccm/Cargo.toml
index 79f5c9d1..978db024 100644
--- a/ccm/Cargo.toml
+++ b/ccm/Cargo.toml
@@ -21,7 +21,7 @@ subtle = { version = "2", default-features = false }
 
 [dev-dependencies]
 aead = { version = "0.5", features = ["dev"], default-features = false }
-aes = { version = "0.8.2" }
+aes = { version = "0.8.4" }
 hex-literal = "0.3.4"
 
 [features]