diff --git a/package.json b/package.json
index a56dda57cf8a..5041cdfe9438 100644
--- a/package.json
+++ b/package.json
@@ -154,7 +154,7 @@
     "unist-builder": "^4.0.0",
     "unist-util-visit": "^5.0.0",
     "web-features": "^2.13.0",
-    "web-specs": "^3.29.0"
+    "web-specs": "^3.30.0"
   },
   "devDependencies": {
     "@babel/core": "^7.26.0",
diff --git a/yarn.lock b/yarn.lock
index 7f849b6794ed..e1979b4898c8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -15370,10 +15370,10 @@ web-namespaces@^2.0.0:
   resolved "https://registry.yarnpkg.com/web-namespaces/-/web-namespaces-2.0.1.tgz#1010ff7c650eccb2592cebeeaf9a1b253fd40692"
   integrity sha512-bKr1DkiNa2krS7qxNtdrtHAmzuYGFQLiQ13TsorsdT6ULTkPLKuu5+GsFpDlg6JFjUTwX2DyhMPG2be8uPrqsQ==
 
-web-specs@^3.29.0:
-  version "3.29.0"
-  resolved "https://registry.yarnpkg.com/web-specs/-/web-specs-3.29.0.tgz#7d688e8c35af4cd0c8183662334026af2a9e029f"
-  integrity sha512-K78MP/7dbGV9Zis8ux/1FxR9MeF2WAF4lRXgyq8qXTNQ0KiKbnUMVDVLiSFtACuD1QdWrbukjN/8msaikAK6bA==
+web-specs@^3.30.0:
+  version "3.30.0"
+  resolved "https://registry.yarnpkg.com/web-specs/-/web-specs-3.30.0.tgz#289abfb3d118b9b5d611974bc7afc4add9af1200"
+  integrity sha512-n178Ljyrq5P3rRt++8adB/5xNbiTjx2iGB6XR+7C6Q1opPP9bouMxGub5ElObVbt23C6YTAFyAf7O8IBssrkzw==
 
 web-streams-polyfill@4.0.0-beta.3:
   version "4.0.0-beta.3"