diff --git a/package.json b/package.json
index bf3e868c..2be06119 100644
--- a/package.json
+++ b/package.json
@@ -151,6 +151,6 @@
   "homepage": "https://github.com/codfish/cod-scripts#readme",
   "devDependencies": {
     "jest-in-case": "^1.0.2",
-    "slash": "^3.0.0"
+    "slash": "^4.0.0"
   }
 }