diff --git a/examples/preact/package.json b/examples/preact/package.json
index 038424e86b630c..be0f1b50e00ba5 100644
--- a/examples/preact/package.json
+++ b/examples/preact/package.json
@@ -49,10 +49,10 @@
     "resolve": "1.10.0",
     "sass-loader": "7.1.0",
     "style-loader": "0.23.1",
-    "terser-webpack-plugin": "1.2.2",
+    "terser-webpack-plugin": "5.3.11",
     "url-loader": "1.1.2",
     "webpack": "4.28.3",
-    "webpack-dev-server": "3.1.14",
+    "webpack-dev-server": "5.2.0",
     "webpack-manifest-plugin": "2.0.4",
     "workbox-webpack-plugin": "3.6.3"
   },