diff --git a/helm/zabbix-kubernetes-discovery/templates/deployment.yaml b/helm/zabbix-kubernetes-discovery/templates/deployment.yaml
index a6dbb7a..a524f25 100644
--- a/helm/zabbix-kubernetes-discovery/templates/deployment.yaml
+++ b/helm/zabbix-kubernetes-discovery/templates/deployment.yaml
@@ -16,6 +16,8 @@ spec:
     metadata:
       labels:
         app: {{ .Values.deployment.name }}
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
     spec:
       {{- if .Values.serviceAccount.create }}
       serviceAccountName: {{ .Values.serviceAccount.name }}