diff --git a/kustomize/bases/longhorn/longhorn-helmchart.yaml b/kustomize/bases/longhorn/longhorn-helmchart.yaml
index 29fe9c2..275e12e 100644
--- a/kustomize/bases/longhorn/longhorn-helmchart.yaml
+++ b/kustomize/bases/longhorn/longhorn-helmchart.yaml
@@ -6,7 +6,7 @@ metadata:
 spec:
   repo: https://charts.longhorn.io
   chart: longhorn
-  version: 1.4.2
+  version: 1.5.5
   targetNamespace: longhorn-system
   set:
     backupTargetCredentialSecret: s3-backupstore-credentials