diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index a21817920a7..8e3747acbba 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -74,11 +74,11 @@
     "sass-loader": "7.2.0",
     "semver": "6.3.0",
     "style-loader": "1.0.0",
-    "terser-webpack-plugin": "1.4.1",
+    "terser-webpack-plugin": "5.3.11",
     "ts-pnp": "1.1.4",
     "url-loader": "2.1.0",
     "webpack": "4.41.0",
-    "webpack-dev-server": "3.2.1",
+    "webpack-dev-server": "5.2.0",
     "webpack-manifest-plugin": "2.1.1",
     "workbox-webpack-plugin": "4.3.1"
   },