diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
index 2997077..6b7a4fb 100644
--- a/Lib/test/test_time.py
+++ b/Lib/test/test_time.py
@@ -376,7 +376,7 @@
         t2 = time.monotonic()
         dt = t2 - t1
         self.assertGreater(t2, t1)
-        self.assertAlmostEqual(dt, 0.5, delta=0.2)
+        self.assertTrue(0.5 <= dt <= 1.0, dt)
 
         info = time.get_clock_info('monotonic')
         self.assertTrue(info.monotonic)