diff --git a/echo-server/app/helmrelease.yaml b/echo-server/app/helmrelease.yaml
index 7250687..7bb7f49 100644
--- a/echo-server/app/helmrelease.yaml
+++ b/echo-server/app/helmrelease.yaml
@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: app-template
-      version: 3.2.1
+      version: 3.7.3
       sourceRef:
         kind: HelmRepository
         name: bjw-s