diff --git a/.changeset/hungry-sheep-live.md b/.changeset/hungry-sheep-live.md
new file mode 100644
index 000000000..0fc1c47b8
--- /dev/null
+++ b/.changeset/hungry-sheep-live.md
@@ -0,0 +1,5 @@
+---
+'@web/storybook-utils': patch
+---
+
+allow React 19 and test with it
diff --git a/package-lock.json b/package-lock.json
index 0bfde6871..93aef00e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5653,16 +5653,6 @@
         "storybook": "^8.6.12"
       }
     },
-    "node_modules/@storybook/addon-docs/node_modules/react": {
-      "version": "19.1.0",
-      "resolved": "https://registry.npmjs.org/react/-/react-19.1.0.tgz",
-      "integrity": "sha512-FS+XFBNvn3GTAWq26joslQgWNoFu08F4kl0J4CgdNKADkdSGXQyTCnKteIAJy96Br6YbpEU1LSzV5dYtjMkMDg==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/@storybook/addon-docs/node_modules/react-dom": {
       "version": "19.1.0",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.1.0.tgz",
@@ -21093,19 +21083,6 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
-    "node_modules/loose-envify": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
-      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "js-tokens": "^3.0.0 || ^4.0.0"
-      },
-      "bin": {
-        "loose-envify": "cli.js"
-      }
-    },
     "node_modules/loupe": {
       "version": "2.3.6",
       "resolved": "https://registry.npmjs.org/loupe/-/loupe-2.3.6.tgz",
@@ -26503,14 +26480,11 @@
       }
     },
     "node_modules/react": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
-      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
+      "version": "19.1.0",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.1.0.tgz",
+      "integrity": "sha512-FS+XFBNvn3GTAWq26joslQgWNoFu08F4kl0J4CgdNKADkdSGXQyTCnKteIAJy96Br6YbpEU1LSzV5dYtjMkMDg==",
       "dev": true,
       "license": "MIT",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      },
       "engines": {
         "node": ">=0.10.0"
       }
@@ -36287,7 +36261,7 @@
     },
     "packages/mocks": {
       "name": "@web/mocks",
-      "version": "1.3.1",
+      "version": "1.3.2",
       "license": "MIT",
       "dependencies": {
         "@storybook/manager-api": "^7.0.0 || ^8.0.0",
@@ -38162,17 +38136,6 @@
         "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0-beta"
       }
     },
-    "packages/storybook-framework-web-components/node_modules/react": {
-      "version": "19.1.0",
-      "resolved": "https://registry.npmjs.org/react/-/react-19.1.0.tgz",
-      "integrity": "sha512-FS+XFBNvn3GTAWq26joslQgWNoFu08F4kl0J4CgdNKADkdSGXQyTCnKteIAJy96Br6YbpEU1LSzV5dYtjMkMDg==",
-      "dev": true,
-      "license": "MIT",
-      "peer": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "packages/storybook-framework-web-components/node_modules/react-dom": {
       "version": "19.1.0",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.1.0.tgz",
@@ -38195,13 +38158,13 @@
         "@storybook/core-events": "^7.0.0 || ^8.0.0"
       },
       "devDependencies": {
-        "react": "^18.0.0"
+        "react": "^19.0.0"
       },
       "engines": {
         "node": ">=16.0.0"
       },
       "peerDependencies": {
-        "react": "^18.0.0"
+        "react": "^18.0.0 || ^19.0.0"
       }
     },
     "packages/test-runner": {
diff --git a/packages/storybook-utils/package.json b/packages/storybook-utils/package.json
index 44f833e18..1640063d2 100644
--- a/packages/storybook-utils/package.json
+++ b/packages/storybook-utils/package.json
@@ -40,12 +40,12 @@
     "utils"
   ],
   "peerDependencies": {
-    "react": "^18.0.0"
+    "react": "^18.0.0 || ^19.0.0"
   },
   "dependencies": {
     "@storybook/core-events": "^7.0.0 || ^8.0.0"
   },
   "devDependencies": {
-    "react": "^18.0.0"
+    "react": "^19.0.0"
   }
 }