diff --git a/tests/python_client/requirements.txt b/tests/python_client/requirements.txt
index 9ed637c609..1b811a7418 100644
--- a/tests/python_client/requirements.txt
+++ b/tests/python_client/requirements.txt
@@ -9,7 +9,7 @@ allure-pytest==2.7.0
 pytest-print==0.2.1
 pytest-level==0.1.1
 pytest-xdist==2.5.0
-pymilvus==2.2.0.dev8
+pymilvus==2.2.0.dev19
 pytest-rerunfailures==9.1.1
 git+https://github.com/Projectplace/pytest-tags
 ndg-httpsclient