diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index 1c56f4cf583..8cd88ca36b0 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -49,7 +49,7 @@
     "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-cssnext": "^2.9.0",
     "postcss-import": "^9.0.0",
@@ -63,12 +63,12 @@
     "react-router-redux": "^4.0.7",
     "redux": "^3.6.0",
     "redux-form": "^6.4.3",
-    "stylelint": "^7.7.1",
-    "stylelint-webpack-plugin": "^0.5.1",
+    "stylelint": "^8.0.0",
+    "stylelint-webpack-plugin": "^0.9.0",
     "style-loader": "0.13.2",
     "tachyons": "^4.6.1",
     "url-loader": "0.5.8",
-    "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"