diff --git a/html/package.json b/html/package.json
index f5af9b8..7273f42 100644
--- a/html/package.json
+++ b/html/package.json
@@ -58,7 +58,7 @@
     "typescript": "^3.9.7",
     "webpack": "4.46.0",
     "webpack-cli": "^4.3.1",
-    "webpack-dev-server": "^3.11.1",
+    "webpack-dev-server": "^3.11.2",
     "webpack-merge": "^5.7.3"
   },
   "dependencies": {
diff --git a/html/yarn.lock b/html/yarn.lock
index fb82e8a..f1a58b1 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -8507,10 +8507,10 @@ webpack-dev-middleware@^3.7.2:
     range-parser "^1.2.1"
     webpack-log "^2.0.0"
 
-webpack-dev-server@^3.11.1:
-  version "3.11.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.11.1.tgz#c74028bf5ba8885aaf230e48a20e8936ab8511f0"
-  integrity sha512-u4R3mRzZkbxQVa+MBWi2uVpB5W59H3ekZAJsQlKUTdl7Elcah2EhygTPLmeFXybQkf9i2+L0kn7ik9SnXa6ihQ==
+webpack-dev-server@^3.11.2:
+  version "3.11.2"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.11.2.tgz#695ebced76a4929f0d5de7fd73fafe185fe33708"
+  integrity sha512-A80BkuHRQfCiNtGBS1EMf2ChTUs0x+B3wGDFmOeT4rmJOHhHTCH2naNxIHhmkr0/UillP4U3yeIyv1pNp+QDLQ==
   dependencies:
     ansi-html "0.0.7"
     bonjour "^3.5.0"