diff --git a/Lib/test/lock_tests.py b/Lib/test/lock_tests.py
index f256a807fad..9fd0fe753df 100644
--- a/Lib/test/lock_tests.py
+++ b/Lib/test/lock_tests.py
@@ -606,7 +606,7 @@ class BarrierTests(BaseTestCase):
     N = 5
 
     def setUp(self):
-        self.barrier = self.barriertype(self.N, timeout=0.1)
+        self.barrier = self.barriertype(self.N, timeout=0.5)
     def tearDown(self):
         self.barrier.abort()