diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index a21817920a7..5c21d69813c 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -55,7 +55,7 @@
     "html-webpack-plugin": "4.0.0-beta.5",
     "identity-obj-proxy": "3.0.0",
     "is-wsl": "^1.1.0",
-    "jest": "24.9.0",
+    "jest": "27.0.0",
     "jest-environment-jsdom-fourteen": "0.1.0",
     "jest-resolve": "24.9.0",
     "jest-watch-typeahead": "0.4.0",
@@ -78,7 +78,7 @@
     "ts-pnp": "1.1.4",
     "url-loader": "2.1.0",
     "webpack": "4.41.0",
-    "webpack-dev-server": "3.2.1",
+    "webpack-dev-server": "4.9.0",
     "webpack-manifest-plugin": "2.1.1",
     "workbox-webpack-plugin": "4.3.1"
   },