diff --git a/awx/main/tasks.py b/awx/main/tasks.py
index d97daf4e2b..41b66aab9d 100644
--- a/awx/main/tasks.py
+++ b/awx/main/tasks.py
@@ -1710,12 +1710,10 @@ class RunProjectUpdate(BaseTask):
         # re-create root project folder if a natural disaster has destroyed it
         if not os.path.exists(settings.PROJECTS_ROOT):
             os.mkdir(settings.PROJECTS_ROOT)
-        if instance.launch_type == 'sync':
-            self.acquire_lock(instance)
+        self.acquire_lock(instance)
 
     def post_run_hook(self, instance, status, **kwargs):
-        if instance.launch_type == 'sync':
-            self.release_lock(instance)
+        self.release_lock(instance)
         p = instance.project
         if instance.job_type == 'check' and status not in ('failed', 'canceled',):
             fd = open(self.revision_path, 'r')
diff --git a/awx/main/tests/functional/test_tasks.py b/awx/main/tests/functional/test_tasks.py
index 84d93534c1..cbb3e281d3 100644
--- a/awx/main/tests/functional/test_tasks.py
+++ b/awx/main/tests/functional/test_tasks.py
@@ -32,16 +32,18 @@ class TestDependentInventoryUpdate:
         task.revision_path = scm_revision_file
         proj_update = ProjectUpdate.objects.create(project=scm_inventory_source.source_project)
         with mock.patch.object(RunProjectUpdate, '_update_dependent_inventories') as inv_update_mck:
-            task.post_run_hook(proj_update, 'successful')
-            inv_update_mck.assert_called_once_with(proj_update, mock.ANY)
+            with mock.patch.object(RunProjectUpdate, 'release_lock'):
+                task.post_run_hook(proj_update, 'successful')
+                inv_update_mck.assert_called_once_with(proj_update, mock.ANY)
 
     def test_no_unwanted_dependent_inventory_updates(self, project, scm_revision_file):
         task = RunProjectUpdate()
         task.revision_path = scm_revision_file
         proj_update = ProjectUpdate.objects.create(project=project)
         with mock.patch.object(RunProjectUpdate, '_update_dependent_inventories') as inv_update_mck:
-            task.post_run_hook(proj_update, 'successful')
-            assert not inv_update_mck.called
+            with mock.patch.object(RunProjectUpdate, 'release_lock'):
+                task.post_run_hook(proj_update, 'successful')
+                assert not inv_update_mck.called
 
     def test_dependent_inventory_updates(self, scm_inventory_source):
         task = RunProjectUpdate()