diff --git a/kubernetes/apps/default/emqx/app/emqx/helmrelease.yaml b/kubernetes/apps/default/emqx/app/emqx/helmrelease.yaml
index 4513c876e..f245fcf24 100644
--- a/kubernetes/apps/default/emqx/app/emqx/helmrelease.yaml
+++ b/kubernetes/apps/default/emqx/app/emqx/helmrelease.yaml
@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: emqx
-      version: 5.0.20
+      version: 5.0.21
       sourceRef:
         kind: HelmRepository
         name: emqx