diff --git a/ai_ta_backend/service/retrieval_service.py b/ai_ta_backend/service/retrieval_service.py
index af425218..d7a9d877 100644
--- a/ai_ta_backend/service/retrieval_service.py
+++ b/ai_ta_backend/service/retrieval_service.py
@@ -41,7 +41,7 @@ def __init__(self, vdb: VectorDatabase, sqlDb: SQLDatabase, aws: AWSStorage, pos
         openai_api_base=os.environ["AZURE_OPENAI_ENDPOINT"],
         openai_api_type=os.environ['OPENAI_API_TYPE'],
         openai_api_key=os.environ["AZURE_OPENAI_KEY"],
-        openai_api_version=os.environ["OPENAI_API_VERSION"],
+        # openai_api_version=os.environ["OPENAI_API_VERSION"],
     )
 
     self.llm = AzureChatOpenAI(