diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 83bc05dc9..a86f272d8 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -2501,6 +2501,8 @@ interface ARIAMixin {
     ariaPressed: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaReadOnly) */
     ariaReadOnly: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRelevant) */
+    ariaRelevant: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRequired) */
     ariaRequired: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRoleDescription) */
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
index 4b0de3f4f..ad7813c8a 100644
--- a/baselines/ts5.5/dom.generated.d.ts
+++ b/baselines/ts5.5/dom.generated.d.ts
@@ -2501,6 +2501,8 @@ interface ARIAMixin {
     ariaPressed: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaReadOnly) */
     ariaReadOnly: string | null;
+    /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRelevant) */
+    ariaRelevant: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRequired) */
     ariaRequired: string | null;
     /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/ariaRoleDescription) */
diff --git a/package-lock.json b/package-lock.json
index 1a079b6d4..817eda034 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1173,9 +1173,9 @@
       }
     },
     "node_modules/@webref/css": {
-      "version": "6.18.0",
-      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.18.0.tgz",
-      "integrity": "sha512-2AFAkzJuNykYJox3EnDLQNTjJXgvMSMFV6Z+roxlWcn94Uo2torGkQuPw81u7q9qsVCpdazGBZU5FLqrvXr2nA==",
+      "version": "6.18.1",
+      "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.18.1.tgz",
+      "integrity": "sha512-bHkYRYhhSNzrPBAzn2KKnWiG6m5MBlJEx/r/c0nW2bTURptdBt2jjvr09e6wKoiLSH8FCJ/CydCRTM+XnwiQvg==",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -1197,9 +1197,9 @@
       "license": "MIT"
     },
     "node_modules/@webref/idl": {
-      "version": "3.58.0",
-      "resolved": "https://registry.npmjs.org/@webref/idl/-/idl-3.58.0.tgz",
-      "integrity": "sha512-Ixr2HMzsA6rlbIwPGhoIeYZ9sk99JA0FljY8B1yRtlt7hCzCrUQG0U1Mq3cKZItyCcFxQSK/kuYlpS/gHFQRuA==",
+      "version": "3.58.1",
+      "resolved": "https://registry.npmjs.org/@webref/idl/-/idl-3.58.1.tgz",
+      "integrity": "sha512-epdX4Uih1yN4AGDnLxSFbCGMHOFO1vGfy05doFqwRysIzNTHY33T0jqs+vl4ztPyrNT+cXfTP38yPrs5Z1yHzw==",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {