diff --git a/package.json b/package.json
index 7d1109e..a3c7370 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "chai": "^4.0.0",
-    "coffee-loader": "^2.0.0",
+    "coffee-loader": "^4.0.0",
     "eslint": "^7.12.1",
     "eslint-config-airbnb-base": "^14.2.0",
     "eslint-plugin-chai": "0.0.1",