diff --git a/tests/python_client/requirements.txt b/tests/python_client/requirements.txt
index 0dfc14f9be..46eacf0b9d 100644
--- a/tests/python_client/requirements.txt
+++ b/tests/python_client/requirements.txt
@@ -28,8 +28,8 @@ pytest-parallel
 pytest-random-order
 
 # pymilvus
-pymilvus==2.6.0rc166
-pymilvus[bulk_writer]==2.6.0rc166
+pymilvus==2.6.0rc170
+pymilvus[bulk_writer]==2.6.0rc170
 
 # for protobuf
 protobuf==5.27.2