diff --git a/Cargo.toml b/Cargo.toml
index 5877493..4c67690 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,7 +51,7 @@ wired-mbus-link-layer = { version = "0.1.0", path = "crates/wired-mbus-link-laye
 wireless-mbus-link-layer = { version = "0.1.0", path = "crates/wireless-mbus-link-layer" }
 m-bus-core = { version = "0.1.0", path = "crates/m-bus-core" }
 m-bus-application-layer = { version = "0.1.0", path = "crates/m-bus-application-layer" }
-aes = { version = "0.8", optional = true, default-features = false }
+aes = { version = "0.9", optional = true, default-features = false }
 cbc = { version = "0.1", optional = true, default-features = false }
 cipher = { version = "0.4", optional = true, default-features = false, features = ["block-padding"] }
 aes-gcm = { version = "0.10", optional = true, default-features = false, features = ["aes"] }
diff --git a/crates/m-bus-core/Cargo.toml b/crates/m-bus-core/Cargo.toml
index e6d67e3..8b5d129 100644
--- a/crates/m-bus-core/Cargo.toml
+++ b/crates/m-bus-core/Cargo.toml
@@ -16,6 +16,6 @@ decryption = ["dep:aes", "dep:cbc", "dep:cipher"]
 [dependencies]
 serde = { version = "1.0", features = ["derive"], optional = true }
 defmt = { version = "1.0.1", optional = true }
-aes = { version = "0.8", optional = true }
+aes = { version = "0.9", optional = true }
 cbc = { version = "0.1", optional = true }
 cipher = { version = "0.4", optional = true }