diff --git a/ci/jenkins/Nightly2.groovy b/ci/jenkins/Nightly2.groovy
index 7e16a9bb6f7eb..25694ba1a4f77 100644
--- a/ci/jenkins/Nightly2.groovy
+++ b/ci/jenkins/Nightly2.groovy
@@ -8,7 +8,7 @@ String cron_string = BRANCH_NAME == 'master' ? '50 1 * * * ' : ''
 // Make timeout 4 hours so that we can run two nightly during the ci
 int total_timeout_minutes = 7 * 60
 
-def milvus_helm_chart_version = '4.2.8'
+def milvus_helm_chart_version = '4.2.18'
 
 pipeline {
     triggers {