diff --git a/package-lock.json b/package-lock.json
index c2c2f922..972a8d66 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -63,7 +63,7 @@
         "@types/superagent": "^8.1.9",
         "@types/webidl2": "^24.4.3",
         "@types/yargs": "^17.0.33",
-        "@webref/css": "6.23.0",
+        "@webref/css": "6.23.1",
         "@webref/elements": "^2.4.0",
         "@webref/idl": "3.65.0",
         "c8": "10.1.3",
@@ -5369,9 +5369,9 @@
       }
     },
     "node_modules/@webref/css": {
-      "version": "6.23.0",
-      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.23.0.tgz",
-      "integrity": "sha512-6bR0iNhl8/oWitLCIGDvs1B4CJBq2cuV9SRjEE4nZUOJzyn5WK6Y4sBfSiCwQqX0WEgASwywukcCVEEaJoRGNA==",
+      "version": "6.23.1",
+      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.23.1.tgz",
+      "integrity": "sha512-UlUHvaUr1jPfqJ3uP4ohkssW2g6Llt0X8XVkjEaFgK/kxpMQ/ZoSald3msxtCWxZ/QrrljX8FeYT9eTTbd25gg==",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
diff --git a/package.json b/package.json
index 4872154e..0b596120 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
     "@types/superagent": "^8.1.9",
     "@types/webidl2": "^24.4.3",
     "@types/yargs": "^17.0.33",
-    "@webref/css": "6.23.0",
+    "@webref/css": "6.23.1",
     "@webref/elements": "^2.4.0",
     "@webref/idl": "3.65.0",
     "c8": "10.1.3",