diff --git a/package-lock.json b/package-lock.json
index 29e3d5608208..1bcf042734df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "@webref/events": "file:packages/events",
         "@webref/idl": "file:packages/idl",
         "css-tree": "3.1.0",
-        "reffy": "19.0.1",
+        "reffy": "19.1.0",
         "rimraf": "6.0.1",
         "strudy": "^3.2.0",
         "webidl2": "24.4.1"
@@ -2091,18 +2091,17 @@
       }
     },
     "node_modules/puppeteer": {
-      "version": "24.10.1",
-      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-24.10.1.tgz",
-      "integrity": "sha512-7T3rfSaaPt5A31VITV5YKQ4wPCCv4aPn8byDaV+9lhDU9v7BWYY4Ncwerw3ZR5mIolrh/PvzGdIDK7yiBth75g==",
+      "version": "24.12.1",
+      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-24.12.1.tgz",
+      "integrity": "sha512-+vvwl+Xo4z5uXLLHG+XW8uXnUXQ62oY6KU6bEFZJvHWLutbmv5dw9A/jcMQ0fqpQdLydHmK0Uy7/9Ilj8ufwSQ==",
       "dev": true,
       "hasInstallScript": true,
-      "license": "Apache-2.0",
       "dependencies": {
         "@puppeteer/browsers": "2.10.5",
         "chromium-bidi": "5.1.0",
         "cosmiconfig": "^9.0.0",
-        "devtools-protocol": "0.0.1452169",
-        "puppeteer-core": "24.10.1",
+        "devtools-protocol": "0.0.1464554",
+        "puppeteer-core": "24.12.1",
         "typed-query-selector": "^2.12.0"
       },
       "bin": {
@@ -2113,23 +2112,34 @@
       }
     },
     "node_modules/puppeteer-core": {
-      "version": "24.10.1",
-      "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-24.10.1.tgz",
-      "integrity": "sha512-AE6doA9znmEEps/pC5lc9p0zejCdNLR6UBp3EZ49/15Nbvh+uklXxGox7Qh8/lFGqGVwxInl0TXmsOmIuIMwiQ==",
+      "version": "24.12.1",
+      "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-24.12.1.tgz",
+      "integrity": "sha512-8odp6d3ERKBa3BAVaYWXn95UxQv3sxvP1reD+xZamaX6ed8nCykhwlOiHSaHR9t/MtmIB+rJmNencI6Zy4Gxvg==",
       "dev": true,
-      "license": "Apache-2.0",
       "dependencies": {
         "@puppeteer/browsers": "2.10.5",
         "chromium-bidi": "5.1.0",
         "debug": "^4.4.1",
-        "devtools-protocol": "0.0.1452169",
+        "devtools-protocol": "0.0.1464554",
         "typed-query-selector": "^2.12.0",
-        "ws": "^8.18.2"
+        "ws": "^8.18.3"
       },
       "engines": {
         "node": ">=18"
       }
     },
+    "node_modules/puppeteer-core/node_modules/devtools-protocol": {
+      "version": "0.0.1464554",
+      "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.1464554.tgz",
+      "integrity": "sha512-CAoP3lYfwAGQTaAXYvA6JZR0fjGUb7qec1qf4mToyoH2TZgUFeIqYcjh6f9jNuhHfuZiEdH+PONHYrLhRQX6aw==",
+      "dev": true
+    },
+    "node_modules/puppeteer/node_modules/devtools-protocol": {
+      "version": "0.0.1464554",
+      "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.1464554.tgz",
+      "integrity": "sha512-CAoP3lYfwAGQTaAXYvA6JZR0fjGUb7qec1qf4mToyoH2TZgUFeIqYcjh6f9jNuhHfuZiEdH+PONHYrLhRQX6aw==",
+      "dev": true
+    },
     "node_modules/pyodide": {
       "version": "0.27.6",
       "resolved": "https://registry.npmjs.org/pyodide/-/pyodide-0.27.6.tgz",
@@ -2144,19 +2154,18 @@
       }
     },
     "node_modules/reffy": {
-      "version": "19.0.1",
-      "resolved": "https://registry.npmjs.org/reffy/-/reffy-19.0.1.tgz",
-      "integrity": "sha512-vhvwNsahUSNUTTuKbnYJer9J7Fmt7QhF/scUSDLt/5yWYOOM0oV0r6S1Us+0TnI/UN9koTPCPCa/VFaeVwk2wA==",
+      "version": "19.1.0",
+      "resolved": "https://registry.npmjs.org/reffy/-/reffy-19.1.0.tgz",
+      "integrity": "sha512-xRV48gQ3cGPHe5qmZaT4HYPjbyJ45DZxPmUfRy+0UPDxsupXTyz+4+ZDJVwstWycmTUfSjtgwDjWFX7Roaql9A==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
         "ajv": "8.17.1",
         "ajv-formats": "3.0.1",
         "commander": "14.0.0",
         "fetch-filecache-for-crawling": "5.1.1",
-        "puppeteer": "24.10.1",
+        "puppeteer": "24.12.1",
         "semver": "^7.3.5",
-        "web-specs": "3.53.0",
+        "web-specs": "3.56.0",
         "webidl2": "24.4.1"
       },
       "bin": {
@@ -2166,6 +2175,12 @@
         "node": ">=20.18.1"
       }
     },
+    "node_modules/reffy/node_modules/web-specs": {
+      "version": "3.56.0",
+      "resolved": "https://registry.npmjs.org/web-specs/-/web-specs-3.56.0.tgz",
+      "integrity": "sha512-o6X5DF8lCAHltuu+vw073OVAvsGVfyZiarBnqIh3HnLyIu3qg+4iBBO47uRDL5vT/C32lZG4MQzZZpZMQMPTWg==",
+      "dev": true
+    },
     "node_modules/require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -2958,11 +2973,10 @@
       "license": "ISC"
     },
     "node_modules/ws": {
-      "version": "8.18.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.2.tgz",
-      "integrity": "sha512-DMricUmwGZUVr++AEAe2uiVM7UoO9MAVZMDu05UQOaUII0lp+zOzLLU4Xqh/JvTqklB1T4uELaaPBKyjE1r4fQ==",
+      "version": "8.18.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
+      "integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
       "dev": true,
-      "license": "MIT",
       "engines": {
         "node": ">=10.0.0"
       },
@@ -3064,7 +3078,7 @@
     },
     "packages/css": {
       "name": "@webref/css",
-      "version": "7.0.2-alpha",
+      "version": "7.0.6-alpha",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -3073,7 +3087,7 @@
     },
     "packages/css6": {
       "name": "@webref/css",
-      "version": "6.23.1",
+      "version": "6.23.5",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -3094,7 +3108,7 @@
     },
     "packages/idl": {
       "name": "@webref/idl",
-      "version": "3.65.1",
+      "version": "3.65.5",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
@@ -4542,31 +4556,47 @@
       "dev": true
     },
     "puppeteer": {
-      "version": "24.10.1",
-      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-24.10.1.tgz",
-      "integrity": "sha512-7T3rfSaaPt5A31VITV5YKQ4wPCCv4aPn8byDaV+9lhDU9v7BWYY4Ncwerw3ZR5mIolrh/PvzGdIDK7yiBth75g==",
+      "version": "24.12.1",
+      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-24.12.1.tgz",
+      "integrity": "sha512-+vvwl+Xo4z5uXLLHG+XW8uXnUXQ62oY6KU6bEFZJvHWLutbmv5dw9A/jcMQ0fqpQdLydHmK0Uy7/9Ilj8ufwSQ==",
       "dev": true,
       "requires": {
         "@puppeteer/browsers": "2.10.5",
         "chromium-bidi": "5.1.0",
         "cosmiconfig": "^9.0.0",
-        "devtools-protocol": "0.0.1452169",
-        "puppeteer-core": "24.10.1",
+        "devtools-protocol": "0.0.1464554",
+        "puppeteer-core": "24.12.1",
         "typed-query-selector": "^2.12.0"
+      },
+      "dependencies": {
+        "devtools-protocol": {
+          "version": "0.0.1464554",
+          "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.1464554.tgz",
+          "integrity": "sha512-CAoP3lYfwAGQTaAXYvA6JZR0fjGUb7qec1qf4mToyoH2TZgUFeIqYcjh6f9jNuhHfuZiEdH+PONHYrLhRQX6aw==",
+          "dev": true
+        }
       }
     },
     "puppeteer-core": {
-      "version": "24.10.1",
-      "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-24.10.1.tgz",
-      "integrity": "sha512-AE6doA9znmEEps/pC5lc9p0zejCdNLR6UBp3EZ49/15Nbvh+uklXxGox7Qh8/lFGqGVwxInl0TXmsOmIuIMwiQ==",
+      "version": "24.12.1",
+      "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-24.12.1.tgz",
+      "integrity": "sha512-8odp6d3ERKBa3BAVaYWXn95UxQv3sxvP1reD+xZamaX6ed8nCykhwlOiHSaHR9t/MtmIB+rJmNencI6Zy4Gxvg==",
       "dev": true,
       "requires": {
         "@puppeteer/browsers": "2.10.5",
         "chromium-bidi": "5.1.0",
         "debug": "^4.4.1",
-        "devtools-protocol": "0.0.1452169",
+        "devtools-protocol": "0.0.1464554",
         "typed-query-selector": "^2.12.0",
-        "ws": "^8.18.2"
+        "ws": "^8.18.3"
+      },
+      "dependencies": {
+        "devtools-protocol": {
+          "version": "0.0.1464554",
+          "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.1464554.tgz",
+          "integrity": "sha512-CAoP3lYfwAGQTaAXYvA6JZR0fjGUb7qec1qf4mToyoH2TZgUFeIqYcjh6f9jNuhHfuZiEdH+PONHYrLhRQX6aw==",
+          "dev": true
+        }
       }
     },
     "pyodide": {
@@ -4579,19 +4609,27 @@
       }
     },
     "reffy": {
-      "version": "19.0.1",
-      "resolved": "https://registry.npmjs.org/reffy/-/reffy-19.0.1.tgz",
-      "integrity": "sha512-vhvwNsahUSNUTTuKbnYJer9J7Fmt7QhF/scUSDLt/5yWYOOM0oV0r6S1Us+0TnI/UN9koTPCPCa/VFaeVwk2wA==",
+      "version": "19.1.0",
+      "resolved": "https://registry.npmjs.org/reffy/-/reffy-19.1.0.tgz",
+      "integrity": "sha512-xRV48gQ3cGPHe5qmZaT4HYPjbyJ45DZxPmUfRy+0UPDxsupXTyz+4+ZDJVwstWycmTUfSjtgwDjWFX7Roaql9A==",
       "dev": true,
       "requires": {
         "ajv": "8.17.1",
         "ajv-formats": "3.0.1",
         "commander": "14.0.0",
         "fetch-filecache-for-crawling": "5.1.1",
-        "puppeteer": "24.10.1",
+        "puppeteer": "24.12.1",
         "semver": "^7.3.5",
-        "web-specs": "3.53.0",
+        "web-specs": "3.56.0",
         "webidl2": "24.4.1"
+      },
+      "dependencies": {
+        "web-specs": {
+          "version": "3.56.0",
+          "resolved": "https://registry.npmjs.org/web-specs/-/web-specs-3.56.0.tgz",
+          "integrity": "sha512-o6X5DF8lCAHltuu+vw073OVAvsGVfyZiarBnqIh3HnLyIu3qg+4iBBO47uRDL5vT/C32lZG4MQzZZpZMQMPTWg==",
+          "dev": true
+        }
       }
     },
     "require-directory": {
@@ -5155,9 +5193,9 @@
       "dev": true
     },
     "ws": {
-      "version": "8.18.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.2.tgz",
-      "integrity": "sha512-DMricUmwGZUVr++AEAe2uiVM7UoO9MAVZMDu05UQOaUII0lp+zOzLLU4Xqh/JvTqklB1T4uELaaPBKyjE1r4fQ==",
+      "version": "8.18.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
+      "integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
       "dev": true,
       "requires": {}
     },
diff --git a/package.json b/package.json
index 1949761c8fe1..a7295e5456a9 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@webref/events": "file:packages/events",
     "@webref/idl": "file:packages/idl",
     "css-tree": "3.1.0",
-    "reffy": "19.0.1",
+    "reffy": "19.1.0",
     "rimraf": "6.0.1",
     "strudy": "^3.2.0",
     "webidl2": "24.4.1"