diff --git a/package.json b/package.json
index 265606fdc6..07e6868ec0 100644
--- a/package.json
+++ b/package.json
@@ -404,7 +404,7 @@
     "typescript-plugin-css-modules": "^3.4.0",
     "webpack": "^5.72.0",
     "webpack-cli": "^4.9.2",
-    "webpack-dev-server": "^4.8.1",
+    "webpack-dev-server": "^4.9.0",
     "webpack-node-externals": "^3.0.0",
     "xterm": "^4.18.0",
     "xterm-addon-fit": "^0.5.0"
diff --git a/yarn.lock b/yarn.lock
index 48741ecd7c..08b3b7d88d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2913,13 +2913,6 @@ async-exit-hook@^2.0.1:
   resolved "https://registry.yarnpkg.com/async-exit-hook/-/async-exit-hook-2.0.1.tgz#8bd8b024b0ec9b1c01cccb9af9db29bd717dfaf3"
   integrity sha512-NW2cX8m1Q7KPA7a5M2ULQeZ2wR5qI5PAbw5L0UOMxdioVk9PMZ0h1TmyZEkPYrCvYjDlFICusOu1dlEKAAeXBw==
 
-async@^2.6.2:
-  version "2.6.3"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
-  integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
-  dependencies:
-    lodash "^4.17.14"
-
 async@^3.2.3:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/async/-/async-3.2.3.tgz#ac53dafd3f4720ee9e8a160628f18ea91df196c9"
@@ -4419,7 +4412,7 @@ debug@4.3.3:
   dependencies:
     ms "2.1.2"
 
-debug@^3.1.0, debug@^3.1.1, debug@^3.2.6, debug@^3.2.7:
+debug@^3.1.0, debug@^3.2.6, debug@^3.2.7:
   version "3.2.7"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.7.tgz#72580b7e9145fb39b6676f9c5e5fb100b934179a"
   integrity sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==
@@ -8754,7 +8747,7 @@ lodash.without@~4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.without/-/lodash.without-4.4.0.tgz#3cd4574a00b67bae373a94b748772640507b7aac"
   integrity sha1-PNRXSgC2e643OpS3SHcmQFB7eqw=
 
-lodash@4.x, lodash@^4.17.10, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.7.0:
+lodash@4.x, lodash@^4.17.10, lodash@^4.17.13, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.7.0:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -10513,15 +10506,6 @@ popper.js@1.16.1-lts:
   resolved "https://registry.yarnpkg.com/popper.js/-/popper.js-1.16.1-lts.tgz#cf6847b807da3799d80ee3d6d2f90df8a3f50b05"
   integrity sha512-Kjw8nKRl1m+VrSFCoVGPph93W/qrSO7ZkqPpTf7F4bk/sqcfWK019dWBUpE/fBOsOQY1dks/Bmcbfn1heM/IsA==
 
-portfinder@^1.0.28:
-  version "1.0.28"
-  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.28.tgz#67c4622852bd5374dd1dd900f779f53462fac778"
-  integrity sha512-Se+2isanIcEqf2XMHjyUKskczxbPH7dQnlMjXX6+dybayyHvAf/TCgyMRlzf/B6QDhAEFOGes0pzRo3by4AbMA==
-  dependencies:
-    async "^2.6.2"
-    debug "^3.1.1"
-    mkdirp "^0.5.5"
-
 posix-character-classes@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
@@ -13567,10 +13551,10 @@ webpack-dev-middleware@^5.3.1:
     range-parser "^1.2.1"
     schema-utils "^4.0.0"
 
-webpack-dev-server@*, webpack-dev-server@^4.8.1:
-  version "4.8.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-4.8.1.tgz#58f9d797710d6e25fa17d6afab8708f958c11a29"
-  integrity sha512-dwld70gkgNJa33czmcj/PlKY/nOy/BimbrgZRaR9vDATBQAYgLzggR0nxDtPLJiLrMgZwbE6RRfJ5vnBBasTyg==
+webpack-dev-server@*, webpack-dev-server@^4.9.0:
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-4.9.0.tgz#737dbf44335bb8bde68f8f39127fc401c97a1557"
+  integrity sha512-+Nlb39iQSOSsFv0lWUuUTim3jDQO8nhK3E68f//J2r5rIcp4lULHXz2oZ0UVdEeWXEh5lSzYUlzarZhDAeAVQw==
   dependencies:
     "@types/bonjour" "^3.5.9"
     "@types/connect-history-api-fallback" "^1.3.5"
@@ -13592,7 +13576,6 @@ webpack-dev-server@*, webpack-dev-server@^4.8.1:
     ipaddr.js "^2.0.1"
     open "^8.0.9"
     p-retry "^4.5.0"
-    portfinder "^1.0.28"
     rimraf "^3.0.2"
     schema-utils "^4.0.0"
     selfsigned "^2.0.1"