diff --git a/sql_db_utils/__version__.py b/sql_db_utils/__version__.py
index 67bc602..9c73af2 100644
--- a/sql_db_utils/__version__.py
+++ b/sql_db_utils/__version__.py
@@ -1 +1 @@
-__version__ = "1.3.0"
+__version__ = "1.3.1"
diff --git a/sql_db_utils/asyncio/session_management.py b/sql_db_utils/asyncio/session_management.py
index 7bcc9b0..1b7ef70 100644
--- a/sql_db_utils/asyncio/session_management.py
+++ b/sql_db_utils/asyncio/session_management.py
@@ -124,7 +124,7 @@ async def get_engine_obj(
     def get_db_factory(self, database: str, retrying: bool = False) -> AsyncGenerator[AsyncSession, Any]:
         from fastapi import Cookie
 
-        async def get_db(tenant_id: Annotated[str, Cookie]):
+        async def get_db(tenant_id: Annotated[Union[str, None], Cookie()] = None) -> AsyncGenerator[AsyncSession, Any]:
             yield await self.get_session(database=database, tenant_id=tenant_id, retrying=retrying)
 
         return get_db
diff --git a/sql_db_utils/session_management.py b/sql_db_utils/session_management.py
index be37210..83cf72a 100644
--- a/sql_db_utils/session_management.py
+++ b/sql_db_utils/session_management.py
@@ -124,7 +124,7 @@ def get_engine_obj(
     def get_db_factory(self, database: str, retrying: bool = False) -> Callable:
         from fastapi import Cookie
 
-        def get_db(tenant_id: Annotated[str, Cookie]):
+        def get_db(tenant_id: Annotated[str, Cookie()] = None) -> Session:
             yield self.get_session(database=database, tenant_id=tenant_id, retrying=retrying)
 
         return get_db