diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index e520c48..53493d6 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -1,3 +1,3 @@
 apiVersion: v2
 name: kubooboo-chart
-version: 0.3.4
\ No newline at end of file
+version: 0.3.5
\ No newline at end of file
diff --git a/chart/templates/backend/deployment.yaml b/chart/templates/backend/deployment.yaml
index ad0d046..e809551 100644
--- a/chart/templates/backend/deployment.yaml
+++ b/chart/templates/backend/deployment.yaml
@@ -14,6 +14,7 @@ spec:
       labels:
         app: backend
     spec:
+      serviceAccountName: {{ required ".Values.backend.serviceAccountName required" .Values.backend.serviceAccountName }}
       volumes:
         - name: jwt
           secret: