diff --git a/app/rag_chain.py b/app/rag_chain.py
index 863a8a9..93d6b72 100644
--- a/app/rag_chain.py
+++ b/app/rag_chain.py
@@ -11,8 +11,8 @@ def build_rag_chain():
     auth_config = weaviate.AuthApiKey(api_key="01jryrcctd8c8vxbj4bs2ywrgs")
 
     client = weaviate.connect_to_weaviate_cloud(cluster_url="http://183.111.96.67:32668", 
-                             auth_client_secret=auth_config,
-                            additional_headers={
+                             auth_credentials=Auth.api_key("01jryrcctd8c8vxbj4bs2ywrgs"),
+                            headers={
         "X-OpenAI-Api-Key": "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"  # 필요할 경우
     })