diff --git a/agentops/http_client.py b/agentops/http_client.py
index 04d3606b..11c0bf49 100644
--- a/agentops/http_client.py
+++ b/agentops/http_client.py
@@ -86,8 +86,9 @@ def get_session(cls) -> requests.Session:
 
         return cls._session
 
-    @staticmethod
+    @classmethod
     def _prepare_headers(
+        cls,
         api_key: Optional[str] = None,
         parent_key: Optional[str] = None,
         jwt: Optional[str] = None,