diff --git a/readthedocs/rtd_tests/tests/test_celery.py b/readthedocs/rtd_tests/tests/test_celery.py
index 83a5fdbe815..8a77a1be306 100644
--- a/readthedocs/rtd_tests/tests/test_celery.py
+++ b/readthedocs/rtd_tests/tests/test_celery.py
@@ -21,6 +21,7 @@
 from readthedocs.rtd_tests.utils import make_test_git
 from readthedocs.rtd_tests.base import RTDTestCase
 from readthedocs.rtd_tests.mocks.mock_api import mock_api
+from readthedocs.doc_builder.exceptions import VersionLockedError
 
 
 class TestCeleryBuilding(RTDTestCase):
@@ -117,6 +118,25 @@ def test_update_docs_unexpected_build_exception(self, mock_build_docs):
                 intersphinx=False)
         self.assertTrue(result.successful())
 
+    @patch('readthedocs.projects.tasks.UpdateDocsTaskStep.setup_python_environment', new=MagicMock)
+    @patch('readthedocs.projects.tasks.UpdateDocsTaskStep.build_docs', new=MagicMock)
+    @patch('readthedocs.projects.tasks.UpdateDocsTaskStep.send_notifications')
+    @patch('readthedocs.projects.tasks.UpdateDocsTaskStep.setup_vcs')
+    def test_no_notification_on_version_locked_error(self, mock_setup_vcs, mock_send_notifications):
+        mock_setup_vcs.side_effect = VersionLockedError()
+
+        build = get(Build, project=self.project,
+                    version=self.project.versions.first())
+        with mock_api(self.repo) as mapi:
+            result = tasks.update_docs_task.delay(
+                self.project.pk,
+                build_pk=build.pk,
+                record=False,
+                intersphinx=False)
+
+        mock_send_notifications.assert_not_called()
+        self.assertTrue(result.successful())
+
     def test_sync_repository(self):
         version = self.project.versions.get(slug=LATEST)
         with mock_api(self.repo):