diff --git a/Cargo.toml b/Cargo.toml
index 3b9f5c9..7c84c55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ rand = "0.8.4"
 uuid = { version = "0.8.2", features = ["serde"] }
 # Authentification
 jwt = "0.15.0"
-hmac = "0.11.0"
+hmac = "0.12.1"
 sha2 = { version = "0.9.0", default_features = false }
 # Timestamps for JWT tokens
 chrono = { version = "0.4.19", features = [ "serde" ] }