diff --git a/package-lock.json b/package-lock.json
index 37400754..086448ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -62,7 +62,7 @@
         "@types/webidl2": "^24.4.3",
         "@types/yargs": "^17.0.33",
         "@typescript-eslint/eslint-plugin": "7.18.0",
-        "@webref/css": "6.17.1",
+        "@webref/css": "6.17.2",
         "@webref/elements": "^2.4.0",
         "@webref/idl": "3.55.4",
         "c8": "10.1.2",
@@ -4022,9 +4022,9 @@
       "dev": true
     },
     "node_modules/@webref/css": {
-      "version": "6.17.1",
-      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.17.1.tgz",
-      "integrity": "sha512-JLLP7NidctxEt7TuKfuRQFfrdY7vN351uI3CU9SwufvYPLJ2ie0aDYi3YHDdMJzQF7wD/1Qyro1mCjOnrvVHPw==",
+      "version": "6.17.2",
+      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.17.2.tgz",
+      "integrity": "sha512-8bFRHlXsvPF8cScUs6S+tdVRCFo5FXi8sHq82L47W98xiZgJC+iSup62QBKQLhRScXqfuwcoazGoQGnwhlNJfQ==",
       "dev": true,
       "peerDependencies": {
         "css-tree": "^2.3.1"
diff --git a/package.json b/package.json
index b440bd02..5c7f21bf 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
     "@types/webidl2": "^24.4.3",
     "@types/yargs": "^17.0.33",
     "@typescript-eslint/eslint-plugin": "7.18.0",
-    "@webref/css": "6.17.1",
+    "@webref/css": "6.17.2",
     "@webref/elements": "^2.4.0",
     "@webref/idl": "3.55.4",
     "c8": "10.1.2",