diff --git a/package-lock.json b/package-lock.json
index 30b13ce1a..40fb8aaba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -75,7 +75,7 @@
         "@rollup/plugin-typescript": "^12.3.0",
         "eslint": "^9.16.0",
         "eslint-plugin-compat": "^7.0.1",
-        "less": "^4.4.2",
+        "less": "^4.6.4",
         "rollup": "^4.24.0",
         "stylelint": "^16.9.0",
         "stylelint-config-standard-less": "^4.0.1",
@@ -2414,13 +2414,16 @@
       "license": "MIT"
     },
     "node_modules/copy-anything": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/copy-anything/-/copy-anything-2.0.6.tgz",
-      "integrity": "sha512-1j20GZTsvKNkc4BY3NpMOM8tt///wY3FpIzozTOFO2ffuZcV61nojHXVKIy3WM+7ADCy5FVhdZYHYDdgTU0yJw==",
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/copy-anything/-/copy-anything-3.0.5.tgz",
+      "integrity": "sha512-yCEafptTtb4bk7GLEQoM8KVJpxAfdBJYaXyzQEgQQQgYrZiDp8SJmGKlYza6CYjEDNstAdNdKA3UuoULlEbS6w==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "is-what": "^3.14.1"
+        "is-what": "^4.1.8"
+      },
+      "engines": {
+        "node": ">=12.13"
       },
       "funding": {
         "url": "https://github.com/sponsors/mesqueeb"
@@ -4195,11 +4198,17 @@
       }
     },
     "node_modules/is-what": {
-      "version": "3.14.1",
-      "resolved": "https://registry.npmjs.org/is-what/-/is-what-3.14.1.tgz",
-      "integrity": "sha512-sNxgpk9793nzSs7bA6JQJGeIuRBQhAaNGG77kzYQgMkrID+lS6SlK07K5LaptscDlSaIgH+GPFzf+d75FVxozA==",
+      "version": "4.1.16",
+      "resolved": "https://registry.npmjs.org/is-what/-/is-what-4.1.16.tgz",
+      "integrity": "sha512-ZhMwEosbFJkA0YhFnNDgTM4ZxDRsS6HqTo7qsZM08fehyRYIYa0yHu5R6mgo1n/8MgaPBXiPimPD77baVFYg+A==",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.13"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/mesqueeb"
+      }
     },
     "node_modules/is-windows": {
       "version": "1.0.2",
@@ -4452,21 +4461,20 @@
       }
     },
     "node_modules/less": {
-      "version": "4.4.2",
-      "resolved": "https://registry.npmjs.org/less/-/less-4.4.2.tgz",
-      "integrity": "sha512-j1n1IuTX1VQjIy3tT7cyGbX7nvQOsFLoIqobZv4ttI5axP923gA44zUj6miiA6R5Aoms4sEGVIIcucXUbRI14g==",
+      "version": "4.6.4",
+      "resolved": "https://registry.npmjs.org/less/-/less-4.6.4.tgz",
+      "integrity": "sha512-OJmO5+HxZLLw0RLzkqaNHzcgEAQG7C0y3aMbwtCzIUFZsLMNNq/1IdAdHEycQ58CwUO3jPTHmoN+tE5I7FQxNg==",
       "dev": true,
       "license": "Apache-2.0",
       "dependencies": {
-        "copy-anything": "^2.0.1",
-        "parse-node-version": "^1.0.1",
-        "tslib": "^2.3.0"
+        "copy-anything": "^3.0.5",
+        "parse-node-version": "^1.0.1"
       },
       "bin": {
         "lessc": "bin/lessc"
       },
       "engines": {
-        "node": ">=14"
+        "node": ">=18"
       },
       "optionalDependencies": {
         "errno": "^0.1.1",
diff --git a/package.json b/package.json
index 811ff4c5b..3defaa798 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "@rollup/plugin-typescript": "^12.3.0",
     "eslint": "^9.16.0",
     "eslint-plugin-compat": "^7.0.1",
-    "less": "^4.4.2",
+    "less": "^4.6.4",
     "rollup": "^4.24.0",
     "stylelint": "^16.9.0",
     "stylelint-config-standard-less": "^4.0.1",