diff --git a/Cargo.toml b/Cargo.toml
index 8aa3d42..6261e54 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ serde = { version = "1.0.152", default-features = false, features = ["derive"] }
 trussed = "0.1"
 
 [dev-dependencies]
-hex-literal = "0.3.4"
+hex-literal = "0.4.1"
 
 delog = { version = "0.1.6", features = ["std-log"] }
 test-log = "0.2.11"