diff --git a/python/paddle/fluid/tests/unittests/test_group_norm_op_v2.py b/python/paddle/fluid/tests/unittests/test_group_norm_op_v2.py
index 47761eb5eaf8789f7575ed850d37613efdd5cfc3..2ba79cc9e4396b3adf0cf1f942df47a6f11e4ac1 100644
--- a/python/paddle/fluid/tests/unittests/test_group_norm_op_v2.py
+++ b/python/paddle/fluid/tests/unittests/test_group_norm_op_v2.py
@@ -91,7 +91,7 @@ class TestDygraphGroupNormv2(unittest.TestCase):
             x = np.random.randn(*shape).astype("float32")
             y1 = compute_v1(x)
             y2 = compute_v2(x)
-            self.assertTrue(np.allclose(y1, y2))
+            self.assertTrue(np.allclose(y1, y2, atol=1e-5))
 
 
 if __name__ == '__main__':