diff --git a/build-tests/localization-plugin-test-02/package.json b/build-tests/localization-plugin-test-02/package.json
index aea5fa1b579..2d911f1c531 100644
--- a/build-tests/localization-plugin-test-02/package.json
+++ b/build-tests/localization-plugin-test-02/package.json
@@ -8,7 +8,7 @@
     "serve": "node serve.js"
   },
   "dependencies": {
-    "@microsoft/rush-stack-compiler-3.9": "~0.4.47",
+    "@microsoft/rush-stack-compiler-3.9": "~0.5.0",
     "@rushstack/localization-plugin": "workspace:*",
     "@rushstack/module-minifier-plugin": "workspace:*",
     "@rushstack/node-core-library": "workspace:*",
@@ -19,9 +19,9 @@
     "lodash": "~4.17.15",
     "ts-loader": "6.0.0",
     "typescript": "~3.9.7",
-    "webpack": "~4.44.2",
+    "webpack": "~5.0.0",
     "webpack-bundle-analyzer": "~3.6.0",
-    "webpack-cli": "~3.3.2",
-    "webpack-dev-server": "~3.11.0"
+    "webpack-cli": "~4.0.0",
+    "webpack-dev-server": "~4.0.0"
   }
 }