diff --git a/zammad/values.yaml b/zammad/values.yaml
index a7d4fc49..3d62f397 100644
--- a/zammad/values.yaml
+++ b/zammad/values.yaml
@@ -330,7 +330,7 @@ volumePermissions:
   enabled: false
   image:
     repository: alpine
-    tag: "3.18.0"
+    tag: "3.18.3"
     pullPolicy: IfNotPresent
 
 # Configuration for persistence