diff --git a/src/backend/langflow/interface/initialize/vector_store.py b/src/backend/langflow/interface/initialize/vector_store.py
index c8d8f0b02..233292626 100644
--- a/src/backend/langflow/interface/initialize/vector_store.py
+++ b/src/backend/langflow/interface/initialize/vector_store.py
@@ -11,6 +11,8 @@ from langchain.vectorstores import (
 
 import os
 
+import orjson
+
 
 def docs_in_params(params: dict) -> bool:
     """Check if params has documents OR texts and one of them is not an empty list,