diff --git a/Cargo.toml b/Cargo.toml
index c27a1dc..fe2a55a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ rand_core = "0.5"
 byteorder = "1"
 
 [dev-dependencies]
-hex-literal = "0.1"
+hex-literal = "0.2"
 rand = "0.7"
 rand_xorshift = "0.2"
 sha2 = "0.8"