diff --git a/package.json b/package.json
index 4a500e9..32b68b2 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "web-component-tester": "6.9.2",
     "webpack": "4.29.5",
     "webpack-cli": "3.2.3",
-    "webpack-dev-server": "3.1.14",
+    "webpack-dev-server": "3.3.1",
     "workbox-webpack-plugin": "3.6.3",
     "xo": "0.24.0"
   },