diff --git a/ed25519-dalek/Cargo.toml b/ed25519-dalek/Cargo.toml
index 431cccf..72ed0a4 100644
--- a/ed25519-dalek/Cargo.toml
+++ b/ed25519-dalek/Cargo.toml
@@ -56,7 +56,7 @@ hex = "0.4"
 bincode = "1.0"
 serde_json = "1.0"
 criterion = { version = "0.5", features = ["html_reports"] }
-hex-literal = "0.4"
+hex-literal = "1"
 rand = { version = "0.10.0-rc.5", features = ["chacha"] }
 serde = { version = "1.0", features = ["derive"] }
 strobe-rs = "0.5"