diff --git a/Cargo.toml b/Cargo.toml
index 6cbfaa45a83..1b8e0543377 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ kem-x25519-hkdf-sha256 = ["hpke/x25519"]
 
 [dependencies]
 rand = "0.8.5"
-num_enum = "0.5.7"
+num_enum = "0.6.0"
 cfg-if = "1.0.0"
 hpke = { version = "0.10.0", default-features = false, features = ["std"] }
 zeroize = "1.3"