diff --git a/package-lock.json b/package-lock.json
index 43e855b..9e5f086 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "highcharts": "^11.3.0"
       },
       "devDependencies": {
-        "html-validate": "^8.9.1",
+        "html-validate": "^8.18.1",
         "npm-run-all": "^4.1.5",
         "sass": "^1.70.0",
         "terser": "^5.30.1",
@@ -1066,10 +1066,16 @@
       "dev": true
     },
     "node_modules/html-validate": {
-      "version": "8.18.0",
-      "resolved": "https://registry.npmjs.org/html-validate/-/html-validate-8.18.0.tgz",
-      "integrity": "sha512-y1fp/LxjDOIil+HzktSUIbi09YJdUqjEWYsWC6X8Pk1z9lePznHd7A/vQd9aB/5j2KmEsYpR1R9DNTF37C+28g==",
+      "version": "8.18.1",
+      "resolved": "https://registry.npmjs.org/html-validate/-/html-validate-8.18.1.tgz",
+      "integrity": "sha512-6NYRciFBQhVZH29fwDQxofPil0qm7MMSEDzDpZWu2U23Fnmv1WTuompP7fbzHYj6+CIJ4T/Q4hyWRCe0CCrsMg==",
       "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/html-validate"
+        }
+      ],
       "dependencies": {
         "@babel/code-frame": "^7.10.0",
         "@html-validate/stylish": "^4.1.0",
diff --git a/package.json b/package.json
index bec2c84..e869c00 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "highcharts": "^11.3.0"
   },
   "devDependencies": {
-    "html-validate": "^8.9.1",
+    "html-validate": "^8.18.1",
     "npm-run-all": "^4.1.5",
     "sass": "^1.70.0",
     "terser": "^5.30.1",