diff --git a/mla/Cargo.toml b/mla/Cargo.toml
index b714f8bb..0c387765 100644
--- a/mla/Cargo.toml
+++ b/mla/Cargo.toml
@@ -34,7 +34,7 @@ sha2 = "0"
 zeroize = "1"
 
 [dev-dependencies]
-hex-literal = "0.1"
+hex-literal = "0.3"
 aes-gcm = "0"
 aead = "0"
 criterion = "0.3"