diff --git a/package-lock.json b/package-lock.json
index e08d2dfc..eb683571 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": "6.23.10",
+        "@webref/css": "7.0.11",
         "@webref/elements": "^2.5.0",
         "@webref/idl": "3.67.1",
         "c8": "10.1.3",
@@ -5448,9 +5448,9 @@
       }
     },
     "node_modules/@webref/css": {
-      "version": "6.23.10",
-      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.23.10.tgz",
-      "integrity": "sha512-Z7QjoTKpoNEs2A3t+yKE8KB9YXwnSvJfDCux+Fkn1h5U2V3wSj5Xlc4j2AJ8k5E+Vrq8h9ZP3QHly29xnva6RQ==",
+      "version": "7.0.11",
+      "resolved": "https://registry.npmjs.org/@webref/css/-/css-7.0.11.tgz",
+      "integrity": "sha512-UDid24B3uueRSRwUNI/V3cDXIVgD0ZPk7KIVMTHGvKzmUWJbuky2pl8UJizLkN7FiwXqVMIPxkbrm6qc7EY2Hg==",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -5800,6 +5800,19 @@
         "node": ">= 8"
       }
     },
+    "node_modules/anymatch/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/arch": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/arch/-/arch-3.0.0.tgz",
@@ -12999,6 +13012,19 @@
         "node": ">=8.6"
       }
     },
+    "node_modules/micromatch/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/mime": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-3.0.0.tgz",
@@ -13521,6 +13547,19 @@
         "node": "*"
       }
     },
+    "node_modules/nodemon/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/nodemon/node_modules/readdirp": {
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
@@ -14237,13 +14276,13 @@
       "license": "ISC"
     },
     "node_modules/picomatch": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
-      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
       "engines": {
-        "node": ">=8.6"
+        "node": ">=12"
       },
       "funding": {
         "url": "https://github.com/sponsors/jonschlinkert"
@@ -16453,19 +16492,6 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
-    "node_modules/tinyglobby/node_modules/picomatch": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
-      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=12"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/jonschlinkert"
-      }
-    },
     "node_modules/tmp": {
       "version": "0.2.5",
       "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.2.5.tgz",
diff --git a/package.json b/package.json
index 7e6dd866..ae30c363 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": "6.23.10",
+    "@webref/css": "7.0.11",
     "@webref/elements": "^2.5.0",
     "@webref/idl": "3.67.1",
     "c8": "10.1.3",