diff --git a/litellm/vector_stores/vector_store_registry.py b/litellm/vector_stores/vector_store_registry.py
index 3a435af59ad..290b5b04aae 100644
--- a/litellm/vector_stores/vector_store_registry.py
+++ b/litellm/vector_stores/vector_store_registry.py
@@ -25,7 +25,7 @@ else:
 
 
 class VectorStoreIndexRegistry:
-    def __init__(self, vector_store_indexes: Optional[List[LiteLLM_ManagedVectorStoreIndex]] = None):
+    def __init__(self, vector_store_indexes: List[LiteLLM_ManagedVectorStoreIndex] | None = None):
         self.vector_store_indexes: List[LiteLLM_ManagedVectorStoreIndex] = list(vector_store_indexes or ())
 
     def get_vector_store_indexes(self) -> List[LiteLLM_ManagedVectorStoreIndex]:
@@ -96,7 +96,7 @@ class VectorStoreIndexRegistry:
 
 
 class VectorStoreRegistry:
-    def __init__(self, vector_stores: Optional[List[LiteLLM_ManagedVectorStore]] = None):
+    def __init__(self, vector_stores: List[LiteLLM_ManagedVectorStore] | None = None):
         self.vector_stores: List[LiteLLM_ManagedVectorStore] = list(vector_stores or ())
         self.vector_store_ids_to_vector_store_map: Dict[str, LiteLLM_ManagedVectorStore] = {}
 
@@ -378,7 +378,7 @@ class VectorStoreRegistry:
         return vector_stores_to_run
 
     def _get_vector_store_ids_from_tool_calls(
-        self, tools: Optional[List[Dict]] = None, vector_store_ids: Optional[List[str]] = None
+        self, tools: List[Dict] | None = None, vector_store_ids: List[str] | None = None
     ) -> List[str]:
         """
         Returns the vector store ids from the tool calls