diff --git a/python/paddle/fluid/tests/unittests/test_linalg_lstsq_op.py b/python/paddle/fluid/tests/unittests/test_linalg_lstsq_op.py
index 60414b8de97a588e366d52880b56669807688511..b283c80adfd9a591924e9b5493bea7b4ed649ba6 100644
--- a/python/paddle/fluid/tests/unittests/test_linalg_lstsq_op.py
+++ b/python/paddle/fluid/tests/unittests/test_linalg_lstsq_op.py
@@ -30,6 +30,7 @@ class LinalgLstsqTestCase(unittest.TestCase):
             self.devices.append("gpu:0")
         self.generate_input()
         self.generate_output()
+        np.random.seed(2022)
 
     def init_config(self):
         self.dtype = 'float64'