diff --git a/.helm/templates/deployment.yaml b/.helm/templates/deployment.yaml
index 50236b8..77416f3 100644
--- a/.helm/templates/deployment.yaml
+++ b/.helm/templates/deployment.yaml
@@ -16,7 +16,7 @@ spec:
       labels:
         app: {{ .Values.app }}
       annotations:
-        deployment-timestamp: "{{ now | date '20060102150405' }}"
+        deployment-timestamp: "{{ now.Unix }}"
     spec:
       securityContext:
         runAsNonRoot: true