diff --git a/bugout/__init__.py b/bugout/__init__.py
index 0590aa3..65cb141 100644
--- a/bugout/__init__.py
+++ b/bugout/__init__.py
@@ -1,13 +1,14 @@
 """
 Bugout Python API
 """
+
 __author__ = "Bugout"
 __maintainer__ = __author__
 __description__ = "Python client library for Bugout API"
 
 __email__ = "engineering@bugout.dev"
 __license__ = "MIT"
-__version__ = "0.2.14"
+__version__ = "0.2.15"
 
 __all__ = (
     "__author__",
diff --git a/bugout/resource.py b/bugout/resource.py
index 02cd667..dc81671 100644
--- a/bugout/resource.py
+++ b/bugout/resource.py
@@ -1,3 +1,4 @@
+import json
 import uuid
 from typing import Any, Dict, Optional, Union
 
@@ -129,7 +130,10 @@ def add_resource_holder_permissions(
             "Authorization": f"Bearer {token}",
         }
         result = self._call(
-            method=Method.post, path=path, headers=headers, json=holder_permissions
+            method=Method.post,
+            path=path,
+            headers=headers,
+            json=json.loads(holder_permissions.json(by_alias=True)),
         )
         return BugoutResourceHolders(**result)
 
@@ -144,6 +148,9 @@ def delete_resource_holder_permissions(
             "Authorization": f"Bearer {token}",
         }
         result = self._call(
-            method=Method.delete, path=path, headers=headers, json=holder_permissions
+            method=Method.delete,
+            path=path,
+            headers=headers,
+            json=json.loads(holder_permissions.json(by_alias=True)),
         )
         return BugoutResourceHolders(**result)