diff --git a/tests/unit/test_scheduler.py b/tests/unit/test_scheduler.py
index 0b22993ab6..b5368730f0 100644
--- a/tests/unit/test_scheduler.py
+++ b/tests/unit/test_scheduler.py
@@ -8944,7 +8944,7 @@ class TestSchedulerSmartReconfiguration(ZuulTestCase):
         # event queue after waitUntilSettled.
         start = time.time()
         while True:
-            if time.time() - start > 15:
+            if time.time() - start > 30:
                 raise Exception("Timeout waiting for smart reconfiguration")
             new_two = self.scheds.first.sched.tenant_layout_state.get(
                 'tenant-two', EMPTY_LAYOUT_STATE)