e2e/checkout.spec.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/e2e/checkout.spec.ts b/e2e/checkout.spec.ts
index ca3c4bf..0551641 100644
--- a/e2e/checkout.spec.ts
+++ b/e2e/checkout.spec.ts
@@ -1,6 +1,7 @@
 test("checkout", async ({ page }) => {
   await page.goto("/cart");
+  const order = page.waitForResponse((r) => r.url().endsWith("/api/orders") && r.ok());
   await page.click("text=Place order");
-  await page.waitForTimeout(500);
+  await order; // a fixed 500ms sleep failed whenever the API took longer
   await expect(page.locator("h1")).toHaveText("Thanks for your order");
 });