diff --git a/main.py b/main.py
index d8f4d9d..d7d7137 100644
--- a/main.py
+++ b/main.py
@@ -135,9 +135,10 @@ def main():
                             issue_number = current_issue['number']
 
                             update_issue_url = f'{base_url}{repo}/issues/{issue_number}'
-                            body = {'state': 'closed'}
+                            body = f'Closed in {sha}'
+                            closed_issue_body = {'state': 'closed', 'body': body}
                             requests.patch(update_issue_url, headers=issue_headers, params=params,
-                                           data=json.dumps(body))
+                                           data=json.dumps(closed_issue_body))
                             # Don't update too many issues too quickly.
                             sleep(1)