diff --git a/.mergify.yml b/.mergify.yml
index da6da3f75..2a4373276 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -1,9 +1,6 @@
 ---
 defaults:
   actions:
-    # mergify.io has removed bot_account from its free open source plan.
-    # comment:
-    # bot_account: ceph-csi-bot # mergify[bot] will be commenting.
     queue:
       # merge_bot_account: ceph-csi-bot #mergify[bot] will be merging prs.
       # update_bot_account: ceph-csi-bot #mergify will randomly pick and use
@@ -12,6 +9,9 @@ defaults:
       method: rebase
       rebase_fallback: merge
       update_method: rebase
+    rebase:
+      # Use ceph-csi-bot for rebasing, not the account of the PR owner.
+      bot_account: ceph-csi-bot
 
 queue_rules:
   - name: default