diff --git a/readthedocs/oauth/services/gitlab.py b/readthedocs/oauth/services/gitlab.py
index 4473f788b4e..b913054ffd8 100644
--- a/readthedocs/oauth/services/gitlab.py
+++ b/readthedocs/oauth/services/gitlab.py
@@ -255,7 +255,7 @@ def get_webhook_data(self, repo_id, project, integration):
 
             # Optional
             'issues_events': False,
-            'merge_requests_events': False,
+            'merge_requests_events': True,
             'note_events': False,
             'job_events': False,
             'pipeline_events': False,