diff --git a/crates/octo-cable/Cargo.toml b/crates/octo-cable/Cargo.toml
index dfe8d227..dc1bdd74 100644
--- a/crates/octo-cable/Cargo.toml
+++ b/crates/octo-cable/Cargo.toml
@@ -33,7 +33,7 @@ aes = "0.8"
 ctr = "0.9"
 hmac = "0.12"
 subtle = "2"
-hkdf = "0.12"
+hkdf = "0.13"
 sha2 = "0.10"
 rand = "0.8"
 
diff --git a/crates/octo-wallet/Cargo.toml b/crates/octo-wallet/Cargo.toml
index 35f4d13f..b702dc60 100644
--- a/crates/octo-wallet/Cargo.toml
+++ b/crates/octo-wallet/Cargo.toml
@@ -32,7 +32,7 @@ zk-circuit = { path = "../zk-circuit" }
 
 # Identity crypto (RFC-0009 §Identity Key Format)
 ed25519-dalek = { version = "2.2", features = ["serde", "zeroize"] }
-hkdf = "0.12"
+hkdf = "0.13"
 getrandom = "0.2"
 hex = "0.4"
 base64 = "0.22"