diff --git a/docs/storage-external-block.md b/docs/storage-external-block.md
index 50cf224c..c9cbe7fb 100644
--- a/docs/storage-external-block.md
+++ b/docs/storage-external-block.md
@@ -20,6 +20,7 @@ Deploy Ceph operator
 
 ``` shell
 kubectl apply -k /opt/genestack/kustomize/rook-operator/
+kubectl -n rook-ceph set image deploy/rook-ceph-operator rook-ceph-operator=rook/ceph:v1.13.7
 ```
 
 Deploy Ceph on PVC