diff --git a/ci/jenkins/Nightly.groovy b/ci/jenkins/Nightly.groovy
index 8555029a97..8d3fe0b755 100644
--- a/ci/jenkins/Nightly.groovy
+++ b/ci/jenkins/Nightly.groovy
@@ -3,7 +3,7 @@
 // When scheduling a job that gets automatically triggered by changes,
 // you need to include a [cronjob] tag within the commit message.
 String cron_timezone = 'TZ=Asia/Shanghai'
-String cron_string = BRANCH_NAME == "master" ? "50 1 * * * " : ""
+String cron_string = BRANCH_NAME == "2.4" ? "50 3 * * * " : ""
 
 // Make timeout 4 hours so that we can run two nightly during the ci
 int total_timeout_minutes = 7 * 60
diff --git a/tests/python_client/requirements.txt b/tests/python_client/requirements.txt
index f70729e756..cddb12434b 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[bulk_writer]==2.4.3rc3
+pymilvus[bulk_writer]==2.4.3
 pytest-rerunfailures==9.1.1
 git+https://github.com/Projectplace/pytest-tags
 ndg-httpsclient