diff --git a/Cargo.toml b/Cargo.toml
index 814d7ccef..eaf32b4e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ fs2 = "0.4"
 git2 = "0.10.0"
 git2-curl = "0.11.0"
 glob = "0.3.0"
-hex = "0.3"
+hex = "0.4"
 home = "0.5"
 humantime = "1.2.0"
 ignore = "0.4.7"