diff --git a/gitlab/v4/objects.py b/gitlab/v4/objects.py
index 2def9527e..865852095 100644
--- a/gitlab/v4/objects.py
+++ b/gitlab/v4/objects.py
@@ -1856,12 +1856,18 @@ class ProjectMergeRequestManager(CRUDMixin, RESTManager):
     _create_attrs = (
         ('source_branch', 'target_branch', 'title'),
         ('assignee_id', 'description', 'target_project_id', 'labels',
-         'milestone_id', 'remove_source_branch')
+         'milestone_id', 'remove_source_branch', 'allow_maintainer_to_push')
     )
-    _update_attrs = (tuple(), ('target_branch', 'assignee_id', 'title',
-                               'description', 'state_event', 'labels',
-                               'milestone_id'))
-    _list_filters = ('iids', 'state', 'order_by', 'sort')
+    _update_attrs = (tuple(),
+                     ('target_branch', 'assignee_id', 'title', 'description',
+                      'state_event', 'labels', 'milestone_id',
+                      'remove_source_branch', 'discussion_locked',
+                      'allow_maintainer_to_push'))
+    _list_filters = ('state', 'order_by', 'sort', 'milestone', 'view',
+                     'labels', 'created_after', 'created_before',
+                     'updated_after', 'updated_before', 'scope', 'author_id',
+                     'assignee_id', 'my_reaction_emoji', 'source_branch',
+                     'target_branch', 'search')
     _types = {'labels': types.ListAttribute}