--- a/Cargo.toml
+++ b/Cargo.toml
@@ -90,10 +90,10 @@ path = "tests/xpath_tests.rs"
 version = "0.2"
 
 [dev-dependencies.criterion]
-version = "0.7.0"
+version = "0.5"
 
 [dev-dependencies.rayon]
-version = "1.0.0"
+version = "1"
 
 [build-dependencies.bindgen]
 version = ">=0.72, <1.0"