diff --git a/gitlab/v4/objects/__init__.py b/gitlab/v4/objects/__init__.py
index edeff044e..f42c60b46 100644
--- a/gitlab/v4/objects/__init__.py
+++ b/gitlab/v4/objects/__init__.py
@@ -3601,7 +3601,7 @@ def save(self, **kwargs):
 
 
 class ProjectLabelManager(
-    ListMixin, CreateMixin, UpdateMixin, DeleteMixin, RESTManager
+    RetrieveMixin, CreateMixin, UpdateMixin, DeleteMixin, RESTManager
 ):
     _path = "/projects/%(project_id)s/labels"
     _obj_cls = ProjectLabel