diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index 17a1c2fe59a..ee76c2711d8 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -49,14 +49,14 @@
     "fs-extra": "0.30.0",
     "html-webpack-plugin": "2.28.0",
     "http-proxy-middleware": "0.17.3",
-    "jest": "18.1.0",
+    "jest": "26.0.0",
     "object-assign": "4.1.1",
     "postcss-loader": "1.3.1",
     "promise": "7.1.1",
     "react-dev-utils": "^0.5.1",
     "style-loader": "0.13.1",
     "url-loader": "0.5.7",
-    "webpack": "2.2.1",
+    "webpack": "4.0.0",
     "webpack-dev-server": "2.4.1",
     "webpack-manifest-plugin": "1.1.0",
     "whatwg-fetch": "2.0.2"