diff --git a/package-lock.json b/package-lock.json
index dbf83cb8f4b0..78383a00f2d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
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         "css-tree": "3.1.0",
         "mocha": "11.1.0",
-        "reffy": "18.4.0",
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         "strudy": "^3.1.1",
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@@ -431,9 +431,9 @@
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.9.tgz",
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@@ -641,14 +641,14 @@
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+      "resolved": "https://registry.npmjs.org/bare-os/-/bare-os-3.5.1.tgz",
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       "license": "Apache-2.0",
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-        "bare": ">=1.6.0"
+        "bare": ">=1.14.0"
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@@ -828,9 +828,9 @@
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@@ -2407,18 +2407,18 @@
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+      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-24.3.1.tgz",
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-        "chromium-bidi": "1.3.0",
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@@ -2429,18 +2429,18 @@
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       "license": "Apache-2.0",
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-        "chromium-bidi": "1.3.0",
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         "devtools-protocol": "0.0.1402036",
         "typed-query-selector": "^2.12.0",
-        "ws": "^8.18.0"
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@@ -2481,9 +2481,9 @@
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-      "resolved": "https://registry.npmjs.org/reffy/-/reffy-18.4.0.tgz",
-      "integrity": "sha512-SfZZxPkjRzBI3dulch6z8Wpwyj4ua7oGn2Bd3Wk0CzXQj0djxITZNFTXc99SSx4gvLVJHaU3EKKgIT/+S9ZMKg==",
+      "version": "18.4.1",
+      "resolved": "https://registry.npmjs.org/reffy/-/reffy-18.4.1.tgz",
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       "license": "MIT",
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@@ -2491,9 +2491,9 @@
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         "commander": "13.1.0",
         "fetch-filecache-for-crawling": "5.1.1",
-        "puppeteer": "24.2.1",
+        "puppeteer": "24.3.1",
         "semver": "^7.3.5",
-        "web-specs": "3.41.0",
+        "web-specs": "3.42.0",
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@@ -3188,9 +3188,9 @@
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-      "resolved": "https://registry.npmjs.org/web-specs/-/web-specs-3.41.0.tgz",
-      "integrity": "sha512-NH+tJ4K7RfWbOy8jik05IYjmuPXSjICv8YXTpWzJzXb1Eyyuut6wrW2OUMztjE1eQ8zfCxFKue+qh5babwTbyQ==",
+      "version": "3.42.0",
+      "resolved": "https://registry.npmjs.org/web-specs/-/web-specs-3.42.0.tgz",
+      "integrity": "sha512-qAEALt3bDrKpzOOKqI7RBOwUYrYLHrSAtQjkfWcqYmpqY6k0qZm2qvEPyyl1udWFhj0zq7IjIMEfyCWDFnJK/A==",
       "dev": true,
       "license": "CC0-1.0"
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@@ -3315,9 +3315,9 @@
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-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.0.tgz",
-      "integrity": "sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==",
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+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.1.tgz",
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@@ -3471,7 +3471,7 @@
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     "packages/css": {
       "name": "@webref/css",
-      "version": "6.20.3",
+      "version": "6.20.4",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -3486,13 +3486,13 @@
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     "packages/events": {
       "name": "@webref/events",
-      "version": "1.18.2",
+      "version": "1.18.4",
       "dev": true,
       "license": "MIT"
     },
     "packages/idl": {
       "name": "@webref/idl",
-      "version": "3.60.1",
+      "version": "3.60.4",
       "dev": true,
       "license": "MIT",
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@@ -3794,9 +3794,9 @@
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.4.tgz",
-      "integrity": "sha512-ywP2X0DYtX3y08eFVx5fNIw7/uIv8hYUKgXoK8oayJlLnKcRfEYCxWMVE1XagUdVtCJlZT1AU4LXEABW+L1Peg==",
+      "version": "22.13.9",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.9.tgz",
+      "integrity": "sha512-acBjXdRJ3A6Pb3tqnw9HZmyR3Fiol3aGxRCK1x3d+6CDAMjl7I649wpSd+yNURCjbOUGu9tqtLKnTGxmK6CyGw==",
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@@ -3958,9 +3958,9 @@
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-      "resolved": "https://registry.npmjs.org/bare-os/-/bare-os-3.4.0.tgz",
-      "integrity": "sha512-9Ous7UlnKbe3fMi7Y+qh0DwAup6A1JkYgPnjvMDNOlmnxNRQvQ/7Nst+OnUQKzk0iAT0m9BisbDVp9gCv8+ETA==",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/bare-os/-/bare-os-3.5.1.tgz",
+      "integrity": "sha512-LvfVNDcWLw2AnIw5f2mWUgumW3I3N/WYGiWeimhQC1Ybt71n2FjlS9GJKeCnFeg1MKZHxzIFmpFnBXDI+sBeFg==",
       "dev": true,
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@@ -4088,9 +4088,9 @@
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-      "resolved": "https://registry.npmjs.org/chromium-bidi/-/chromium-bidi-1.3.0.tgz",
-      "integrity": "sha512-G3x1bkST13kmbL7+dT/oRkNH/7C4UqG+0YQpmySrzXspyOhYgDNc6lhSGpj3cuexvH25WTENhTYq2Tt9JRXtbw==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/chromium-bidi/-/chromium-bidi-2.1.2.tgz",
+      "integrity": "sha512-vtRWBK2uImo5/W2oG6/cDkkHSm+2t6VHgnj+Rcwhb0pP74OoUb4GipyRX/T/y39gYQPhioP0DPShn+A7P6CHNw==",
       "dev": true,
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         "mitt": "^3.0.1",
@@ -5201,31 +5201,31 @@
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-      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-24.2.1.tgz",
-      "integrity": "sha512-Euno62ou0cd0dTkOYTNioSOsFF4VpSnz4ldD38hi9ov9xCNtr8DbhmoJRUx+V9OuPgecueZbKOohRrnrhkbg3Q==",
+      "version": "24.3.1",
+      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-24.3.1.tgz",
+      "integrity": "sha512-k0OJ7itRwkr06owp0CP3f/PsRD7Pdw4DjoCUZvjGr+aNgS1z6n/61VajIp0uBjl+V5XAQO1v/3k9bzeZLWs9OQ==",
       "dev": true,
       "requires": {
         "@puppeteer/browsers": "2.7.1",
-        "chromium-bidi": "1.3.0",
+        "chromium-bidi": "2.1.2",
         "cosmiconfig": "^9.0.0",
         "devtools-protocol": "0.0.1402036",
-        "puppeteer-core": "24.2.1",
+        "puppeteer-core": "24.3.1",
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     "puppeteer-core": {
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-      "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-24.2.1.tgz",
-      "integrity": "sha512-bCypUh3WXzETafv1TCFAjIUnI8BiQ/d+XvEfEXDLcIMm9CAvROqnBmbt79yBjwasoDZsgfXnUmIJU7Y27AalVQ==",
+      "version": "24.3.1",
+      "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-24.3.1.tgz",
+      "integrity": "sha512-585ccfcTav4KmlSmYbwwOSeC8VdutQHn2Fuk0id/y/9OoeO7Gg5PK1aUGdZjEmos0TAq+pCpChqFurFbpNd3wA==",
       "dev": true,
       "requires": {
         "@puppeteer/browsers": "2.7.1",
-        "chromium-bidi": "1.3.0",
+        "chromium-bidi": "2.1.2",
         "debug": "^4.4.0",
         "devtools-protocol": "0.0.1402036",
         "typed-query-selector": "^2.12.0",
-        "ws": "^8.18.0"
+        "ws": "^8.18.1"
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     "pyodide": {
@@ -5256,18 +5256,18 @@
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-      "resolved": "https://registry.npmjs.org/reffy/-/reffy-18.4.0.tgz",
-      "integrity": "sha512-SfZZxPkjRzBI3dulch6z8Wpwyj4ua7oGn2Bd3Wk0CzXQj0djxITZNFTXc99SSx4gvLVJHaU3EKKgIT/+S9ZMKg==",
+      "version": "18.4.1",
+      "resolved": "https://registry.npmjs.org/reffy/-/reffy-18.4.1.tgz",
+      "integrity": "sha512-U5IZGRi9zGGhshWaHDO1PYcl7eJogYLGQMdkoiVXxsB3hHoIMwMnDAFIfuQ5MLEABb5B9qbg7ma3RSu4ogjDkg==",
       "dev": true,
       "requires": {
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         "ajv-formats": "3.0.1",
         "commander": "13.1.0",
         "fetch-filecache-for-crawling": "5.1.1",
-        "puppeteer": "24.2.1",
+        "puppeteer": "24.3.1",
         "semver": "^7.3.5",
-        "web-specs": "3.41.0",
+        "web-specs": "3.42.0",
         "webidl2": "24.4.1"
       },
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@@ -5753,9 +5753,9 @@
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-      "resolved": "https://registry.npmjs.org/web-specs/-/web-specs-3.41.0.tgz",
-      "integrity": "sha512-NH+tJ4K7RfWbOy8jik05IYjmuPXSjICv8YXTpWzJzXb1Eyyuut6wrW2OUMztjE1eQ8zfCxFKue+qh5babwTbyQ==",
+      "version": "3.42.0",
+      "resolved": "https://registry.npmjs.org/web-specs/-/web-specs-3.42.0.tgz",
+      "integrity": "sha512-qAEALt3bDrKpzOOKqI7RBOwUYrYLHrSAtQjkfWcqYmpqY6k0qZm2qvEPyyl1udWFhj0zq7IjIMEfyCWDFnJK/A==",
       "dev": true
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     "webidl-conversions": {
@@ -5839,9 +5839,9 @@
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-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.0.tgz",
-      "integrity": "sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==",
+      "version": "8.18.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.1.tgz",
+      "integrity": "sha512-RKW2aJZMXeMxVpnZ6bck+RswznaxmzdULiBr6KY7XkTnW8uvt0iT9H5DkHUChXrc+uurzwa0rVI16n/Xzjdz1w==",
       "dev": true,
       "requires": {}
     },
diff --git a/package.json b/package.json
index 15d7ef07791f..7aff8196c2dd 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@webref/idl": "file:packages/idl",
     "css-tree": "3.1.0",
     "mocha": "11.1.0",
-    "reffy": "18.4.0",
+    "reffy": "18.4.1",
     "rimraf": "6.0.1",
     "strudy": "^3.1.1",
     "webidl2": "24.4.1"