diff --git a/package-lock.json b/package-lock.json
index 916e514..d69d4cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "chokidar": "^5.0.0",
         "esbuild": "^0.28.2",
         "express": "^5.2.1",
-        "html-validate": "^11.6.2",
+        "html-validate": "^11.9.0",
         "ws": "^8.21.3"
       },
       "engines": {
@@ -3325,9 +3325,9 @@
       }
     },
     "node_modules/html-validate": {
-      "version": "11.6.2",
-      "resolved": "https://registry.npmjs.org/html-validate/-/html-validate-11.6.2.tgz",
-      "integrity": "sha512-dlAAEeWOOdv9ya/n3pdSFTzzzGlrw+ZI43J/39zBgCSqzSg24lyqrouuBP9MEkSFAtXVZm64F35mlL7m43jCNA==",
+      "version": "11.9.0",
+      "resolved": "https://registry.npmjs.org/html-validate/-/html-validate-11.9.0.tgz",
+      "integrity": "sha512-1Cb59pOtvIUSkV+os+YNqYyhueSYrErkABIAWObjSNv5V84TlRLLOSQrCc9y8A93zqtMcOCxZ/MdFqo63nx14w==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index c601e1c..7d1108a 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "chokidar": "^5.0.0",
     "express": "^5.2.1",
     "esbuild": "^0.28.2",
-    "html-validate": "^11.6.2",
+    "html-validate": "^11.9.0",
     "ws": "^8.21.3"
   }
 }