diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index 123f966d035..31b5dca2e76 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -43,7 +43,7 @@
     "file-loader": "0.11.2",
     "fs-extra": "3.0.1",
     "html-webpack-plugin": "2.29.0",
-    "jest": "20.0.4",
+    "jest": "26.0.0",
     "object-assign": "4.1.1",
     "postcss-flexbugs-fixes": "3.2.0",
     "postcss-loader": "2.0.6",
@@ -52,7 +52,7 @@
     "style-loader": "0.18.2",
     "sw-precache-webpack-plugin": "0.11.4",
     "url-loader": "0.5.9",
-    "webpack": "3.5.1",
+    "webpack": "4.0.0",
     "webpack-dev-server": "2.8.2",
     "webpack-manifest-plugin": "1.2.1",
     "whatwg-fetch": "2.0.3"