diff --git a/parlai/mturk/core/react_server/package.json b/parlai/mturk/core/react_server/package.json
index ac596c2c93a..fe042b5e81c 100644
--- a/parlai/mturk/core/react_server/package.json
+++ b/parlai/mturk/core/react_server/package.json
@@ -26,7 +26,7 @@
     "@babel/preset-env": "^7.1.0",
     "@babel/preset-react": "^7.0.0",
     "babel-loader": "^8.0.2",
-    "css-loader": "^1.0.0",
+    "css-loader": "^2.0.0",
     "style-loader": "^0.23.0",
     "url-loader": "^2.0.1",
     "webpack": "^4.19.1",