diff --git a/packages/create-mail/generators/package.json.mustache b/packages/create-mail/generators/package.json.mustache
index 543fe6e3..9c95408a 100644
--- a/packages/create-mail/generators/package.json.mustache
+++ b/packages/create-mail/generators/package.json.mustache
@@ -12,6 +12,7 @@
     "jsx-email": "^2.0.0"
   },
   "devDependencies": {
-    "react": "^19.1.0"{{{ typeDep }}}
+    "react": "^19.1.0",
+    "react-dom": "^19.1.0"{{{ typeDep }}}
   }
 }
diff --git a/test/cli/create-mail.test.ts b/test/cli/create-mail.test.ts
index 8ece17ca..20dd340b 100644
--- a/test/cli/create-mail.test.ts
+++ b/test/cli/create-mail.test.ts
@@ -21,6 +21,23 @@ describe('create-mail', async () => {
 
     expect(plain).toMatchSnapshot();
 
+    type PackageJson = {
+      dependencies?: Record<string, string>;
+      devDependencies?: Record<string, string>;
+    };
+
+    const packageJson = JSON.parse(
+      await readFile(join(__dirname, '.test/new/package.json'), 'utf8')
+    ) as PackageJson;
+
+    expect(packageJson.devDependencies).toMatchObject({
+      react: expect.any(String),
+      'react-dom': expect.any(String)
+    });
+
+    expect(packageJson.dependencies ?? {}).not.toHaveProperty('react');
+    expect(packageJson.dependencies ?? {}).not.toHaveProperty('react-dom');
+
     const contents = await readFile(join(__dirname, '.test/new/templates/email.tsx'), 'utf8');
     expect(contents).toMatchSnapshot();