diff --git a/Cargo.toml b/Cargo.toml
index d499157..2024b4c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ regex = "1.0.5"
 unicase = "2.2.0"
 
 [dev-dependencies]
-criterion = "0.3.0"
+criterion = "0.4.0"
 tempfile = "3.0.0"
 
 [[bench]]