diff --git a/tests/python_client/requirements.txt b/tests/python_client/requirements.txt
index 88c97ce2f4..9b2fced1ab 100644
--- a/tests/python_client/requirements.txt
+++ b/tests/python_client/requirements.txt
@@ -12,7 +12,7 @@ allure-pytest==2.7.0
 pytest-print==0.2.1
 pytest-level==0.1.1
 pytest-xdist==2.5.0
-pymilvus==2.4.0rc36
+pymilvus==2.4.0rc42
 pytest-rerunfailures==9.1.1
 git+https://github.com/Projectplace/pytest-tags
 ndg-httpsclient