diff --git a/package.json b/package.json
index 369901ab..c206e826 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "webextension-polyfill-ts": "^0.26.0",
     "webpack": "^5.50.0",
     "webpack-cli": "^4.7.2",
-    "webpack-dev-server": "^4.2.0",
+    "webpack-dev-server": "^4.2.1",
     "webpack-manifest-plugin": "^4.0.2",
     "webpack-merge": "^5.8.0"
   },
diff --git a/yarn.lock b/yarn.lock
index a6d2adad..53cb7dde 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13182,10 +13182,10 @@ webpack-dev-server@3.11.1:
     ws "^6.2.1"
     yargs "^13.3.2"
 
-webpack-dev-server@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-4.2.0.tgz#f669117e97f0acbee447a5b2eb70060b03f39dcb"
-  integrity sha512-iBaDkHBLfW3cEITeJWNkjZBrm+b5A3YLg8XVdNOdjUNABdXJwcsJv4dzKSnVf1q4Ch489+6epWVW6OcOyVfG7w==
+webpack-dev-server@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-4.2.1.tgz#12e912b3cad8ddd5222a4ba2c41c6fc69d2545fb"
+  integrity sha512-SQrIyQDZsTaF84p/WMAXNRKxjTeIaewhDIiHYZ423ENhNAsQWyubvqPTn0IoLMGkbhWyWv8/GYnCjItt0ZNC5w==
   dependencies:
     ansi-html-community "^0.0.8"
     bonjour "^3.5.0"