diff --git a/tests/e2e/burndown.spec.ts b/tests/e2e/burndown.spec.ts
index 6368aa3..d25cca4 100644
--- a/tests/e2e/burndown.spec.ts
+++ b/tests/e2e/burndown.spec.ts
@@ -45,6 +45,10 @@ test.describe('Burndown', () => {
 
   test('shows current month', async ({ page }) => {
     const content = await page.textContent('#content');
-    expect(content).toContain('May 2026');
+    // The burndown page defaults to the live current month (page-burndown.ts uses new Date()
+    // and formatMonthLabel's toLocaleString), so derive the expected label the same way
+    // instead of hard-coding it — otherwise the assertion goes stale every month rollover.
+    const expectedMonth = new Date().toLocaleString('default', { month: 'long', year: 'numeric' });
+    expect(content).toContain(expectedMonth);
   });
 });