diff --git a/test/Button.test.ts b/test/Button.test.ts
index 6546d09..e33c488 100644
--- a/test/Button.test.ts
+++ b/test/Button.test.ts
@@ -2,5 +2,5 @@ import { test, expect } from 'bun:test';
 import { Button } from '../src/Button';
 
 test('Button renders', () => {
-  expect(Button({ label: 'Click' })).toMatchSnapshot();
+  expect(Button({ label: 'Click', primary: true })).toMatchSnapshot();
 });
diff --git a/test/__snapshots__/Button.test.ts.snap b/test/__snapshots__/Button.test.ts.snap
index eef8a11..2b1d741 100644
--- a/test/__snapshots__/Button.test.ts.snap
+++ b/test/__snapshots__/Button.test.ts.snap
@@ -1,7 +1,7 @@
 // Bun Snapshot v1
 
 exports[`Button renders 1`] = `
-<button>
+<button class="primary">
   Click
 </button>
 `;