diff --git a/planetstack/core/models/__init__.py b/planetstack/core/models/__init__.py
index b4e863f..b167d16 100644
--- a/planetstack/core/models/__init__.py
+++ b/planetstack/core/models/__init__.py
@@ -1,4 +1,5 @@
-from .plcorebase import PlCoreBase
+from .plcorebase import PlCoreBase,PlCoreBaseManager,PlCoreBaseDeletionManager
+from .deployment import DeploymentLinkManager,DeploymentLinkDeletionManager
 from .project import Project
 from .singletonmodel import SingletonModel
 from .service import Service