diff --git a/package.json b/package.json
index 795ee16..45b32b9 100644
--- a/package.json
+++ b/package.json
@@ -55,11 +55,11 @@
     "selenium-webdriver": "^4.0.0-alpha.1",
     "semver": "6.0.0",
     "style-loader": "0.23.1",
-    "terser-webpack-plugin": "1.2.3",
+    "terser-webpack-plugin": "5.3.11",
     "ts-pnp": "1.1.2",
     "url-loader": "1.1.2",
     "webpack": "4.29.6",
-    "webpack-dev-server": "3.2.1",
+    "webpack-dev-server": "5.2.0",
     "webpack-manifest-plugin": "2.0.4",
     "workbox-webpack-plugin": "4.2.0"
   },