diff --git a/package-lock.json b/package-lock.json
index 0875fa47..34d06600 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": "6.16.0",
+        "@webref/css": "6.16.1",
         "@webref/elements": "^2.4.0",
         "@webref/idl": "3.55.2",
         "c8": "10.1.2",
@@ -3834,9 +3834,9 @@
       "dev": true
     },
     "node_modules/@webref/css": {
-      "version": "6.16.0",
-      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.16.0.tgz",
-      "integrity": "sha512-o2Qe3LvuR5Oyv4gnw3MQ/+XdOF72YQfKlUysL9SZLXAQyc1hsXO4wTdaayz6Z788UDo5yUxp0E9RwTmU/xqZ0Q==",
+      "version": "6.16.1",
+      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.16.1.tgz",
+      "integrity": "sha512-35QpBnNHloWvNmHU4aHH36/40z7RhJf19dgeqr/O0jtbN0plg5xPmlE6MRxdSYItjb1ffh/AM4mA/hpud2E4Nw==",
       "dev": true,
       "peerDependencies": {
         "css-tree": "^2.3.1"
diff --git a/package.json b/package.json
index 5144a6ca..44240ef8 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": "6.16.0",
+    "@webref/css": "6.16.1",
     "@webref/elements": "^2.4.0",
     "@webref/idl": "3.55.2",
     "c8": "10.1.2",