--- a/Cargo.toml
+++ b/Cargo.toml
@@ -96,7 +96,7 @@ indoc = "2.0.3"
 pretty_assertions = "1.3.0"
 rustversion = "1.0.9"
 time = { version = "0.3.17", features = ["macros"] }
-which = "4.3.0"
+which = "4"
 
 [features]
 default = ["full", "rustls"]
