diff --git a/package-lock.json b/package-lock.json
index f0f9140..800c8f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
       "devDependencies": {
         "flexsearch": "^0.8.212",
         "jsdom": "^30.0.1",
-        "less": "^4.8.1",
+        "less": "^4.9.0",
         "uglify-js": "^3.19.3"
       }
     },
@@ -452,9 +452,9 @@
       }
     },
     "node_modules/less": {
-      "version": "4.8.1",
-      "resolved": "https://registry.npmjs.org/less/-/less-4.8.1.tgz",
-      "integrity": "sha512-jQ3lRIo1aUtiWVYXZ7mk4+V4BjCGswF3IxTLJ+4RUta8ZiHh8lhkig2G8dya2eCcyR1dYUvzuV46EkJN8PSwww==",
+      "version": "4.9.0",
+      "resolved": "https://registry.npmjs.org/less/-/less-4.9.0.tgz",
+      "integrity": "sha512-umRhrCH7fCi8Uj2RcwKjJdvUORTjeWqkdKx0LbcZvjIwsAVsnIAGcxHaqowPeBFBjQuWOeC/bve0AlpFzF/+SQ==",
       "dev": true,
       "license": "Apache-2.0",
       "dependencies": {
diff --git a/package.json b/package.json
index 9aaf0f1..44b16a7 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "devDependencies": {
     "flexsearch": "^0.8.212",
     "jsdom": "^30.0.1",
-    "less": "^4.8.1",
+    "less": "^4.9.0",
     "uglify-js": "^3.19.3"
   },
   "scripts": {