diff --git a/charts/sogo/templates/deployment.yaml b/charts/sogo/templates/deployment.yaml
index 4d18235..4b3d49d 100644
--- a/charts/sogo/templates/deployment.yaml
+++ b/charts/sogo/templates/deployment.yaml
@@ -17,6 +17,7 @@ spec:
       annotations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
       labels:
         {{- include "sogo.selectorLabels" . | nindent 8 }}
     spec: