diff --git a/examples/preact/package.json b/examples/preact/package.json
index c88aea592bb1f3..05e82172ec09c8 100644
--- a/examples/preact/package.json
+++ b/examples/preact/package.json
@@ -49,9 +49,9 @@
     "resolve": "1.10.0",
     "sass-loader": "7.1.0",
     "style-loader": "0.23.1",
-    "terser-webpack-plugin": "1.2.2",
+    "terser-webpack-plugin": "5.1.4",
     "url-loader": "1.1.2",
-    "webpack": "4.28.3",
+    "webpack": "5.1.1",
     "webpack-dev-server": "3.1.14",
     "webpack-manifest-plugin": "2.0.4",
     "workbox-webpack-plugin": "3.6.3"