diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index dcac53cf49f..e15f5af67ee 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -49,12 +49,12 @@
     "postcss-loader": "2.0.8",
     "promise": "8.0.1",
     "raf": "3.4.0",
-    "react-dev-utils": "^4.2.1",
+    "react-dev-utils": "^12.0.0",
     "style-loader": "0.19.0",
     "sw-precache-webpack-plugin": "0.11.4",
     "url-loader": "0.6.2",
     "webpack": "3.8.1",
-    "webpack-dev-server": "2.9.4",
+    "webpack-dev-server": "4.7.3",
     "webpack-manifest-plugin": "1.3.2",
     "whatwg-fetch": "2.0.3"
   },