diff --git a/dev-tools/cc-test/Cargo.toml b/dev-tools/cc-test/Cargo.toml
index cc7747eb6..2f98638a4 100644
--- a/dev-tools/cc-test/Cargo.toml
+++ b/dev-tools/cc-test/Cargo.toml
@@ -12,7 +12,7 @@ test = false
 
 [build-dependencies]
 cc = { path = "../.." }
-which = "^4.0"
+which = "^6.0"
 
 [features]
 parallel = ["cc/parallel"]