diff --git a/docs/gremlint/package-lock.json b/docs/gremlint/package-lock.json
index 55daef02ceb..2818713a83a 100644
--- a/docs/gremlint/package-lock.json
+++ b/docs/gremlint/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "gremlint": "^3.8.1",
         "react": "^18.3.1",
-        "react-dom": "^18.3.1",
+        "react-dom": "^19.2.6",
         "sharp-router": "^4.1.5",
         "styled-components": "^6.1.14",
         "web-vitals": "^5.0.0"
@@ -22,7 +22,7 @@
         "@testing-library/user-event": "^14.6.1",
         "@types/node": "^25.6.0",
         "@types/react": "^18.3.18",
-        "@types/react-dom": "^18.3.5",
+        "@types/react-dom": "^19.2.3",
         "@vitejs/plugin-react": "^6.0.1",
         "gh-pages": "^6.3.0",
         "jsdom": "^29.1.1",
@@ -864,13 +864,13 @@
       }
     },
     "node_modules/@types/react-dom": {
-      "version": "18.3.7",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-18.3.7.tgz",
-      "integrity": "sha512-MEe3UeoENYVFXzoXEWsvcpg6ZvlrFNlOQ7EOsvhI3CfAXwzPfO8Qwuxd40nepsYKqyyVQnTdEfv68q91yLcKrQ==",
+      "version": "19.2.3",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.2.3.tgz",
+      "integrity": "sha512-jp2L/eY6fn+KgVVQAOqYItbF0VY/YApe5Mz2F0aykSO8gx31bYCZyvSeYxCHKvzHG5eZjc+zyaS5BrBWya2+kQ==",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {
-        "@types/react": "^18.0.0"
+        "@types/react": "^19.2.0"
       }
     },
     "node_modules/@types/react/node_modules/csstype": {
@@ -2291,16 +2291,15 @@
       }
     },
     "node_modules/react-dom": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz",
-      "integrity": "sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==",
+      "version": "19.2.6",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.6.tgz",
+      "integrity": "sha512-0prMI+hvBbPjsWnxDLxlCGyM8PN6UuWjEUCYmZhO67xIV9Xasa/r/vDnq+Xyq4Lo27g8QSbO5YzARu0D1Sps3g==",
       "license": "MIT",
       "dependencies": {
-        "loose-envify": "^1.1.0",
-        "scheduler": "^0.23.2"
+        "scheduler": "^0.27.0"
       },
       "peerDependencies": {
-        "react": "^18.3.1"
+        "react": "^19.2.6"
       }
     },
     "node_modules/redent": {
@@ -2414,13 +2413,10 @@
       }
     },
     "node_modules/scheduler": {
-      "version": "0.23.2",
-      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.2.tgz",
-      "integrity": "sha512-UOShsPwz7NrMUqhR6t0hWjFduvOzbtv7toDH1/hIrfRNIDBnnBWd0CwJTGvTpngVlmwGCdP9/Zl/tVrDqcuYzQ==",
-      "license": "MIT",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      }
+      "version": "0.27.0",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.27.0.tgz",
+      "integrity": "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q==",
+      "license": "MIT"
     },
     "node_modules/semver": {
       "version": "6.3.1",
diff --git a/docs/gremlint/package.json b/docs/gremlint/package.json
index 8075f8d0644..92bc6ade634 100644
--- a/docs/gremlint/package.json
+++ b/docs/gremlint/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "gremlint": "^3.8.1",
     "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.2.6",
     "sharp-router": "^4.1.5",
     "styled-components": "^6.1.14",
     "web-vitals": "^5.0.0"
@@ -39,7 +39,7 @@
     "@testing-library/user-event": "^14.6.1",
     "@types/node": "^25.6.0",
     "@types/react": "^18.3.18",
-    "@types/react-dom": "^18.3.5",
+    "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.1",
     "gh-pages": "^6.3.0",
     "jsdom": "^29.1.1",