diff --git a/app/rag_chain.py b/app/rag_chain.py
index 9d6508b..ad3ad9f 100644
--- a/app/rag_chain.py
+++ b/app/rag_chain.py
@@ -1,6 +1,8 @@
 # rag_chain.py
 import os
 import weaviate
+from weaviate import Client
+from weaviate.connect import ConnectionParams
 from weaviate.auth import AuthApiKey
 from weaviate.classes.init import Auth
 from langchain.vectorstores import Weaviate
@@ -10,21 +12,29 @@ from langchain.embeddings import OpenAIEmbeddings
 
 def build_rag_chain():
     # 1. Weaviate 클라이언트
-    auth_config = weaviate.AuthApiKey(api_key="01jryrcctd8c8vxbj4bs2ywrgs")
+    auth_config = weaviate.AuthApiKey(api_key="01js3q6y7twaxccm5dbh3se9bt")
 
     # client = weaviate.connect_to_weaviate_cloud(cluster_url="http://183.111.96.67:32668", 
-    #                          auth_credentials=Auth.api_key("01jryrcctd8c8vxbj4bs2ywrgs"),
+    #                          auth_credentials=Auth.api_key("01js3q6y7twaxccm5dbh3se9bt"),
     #                         headers={
     #     "X-OpenAI-Api-Key": "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"  # 필요할 경우
     # })
     OPENAI_API_KEY="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"
     
-    client = weaviate.Client(
-        url="http://183.111.96.67:32668",  # 예: "http://183.111.96.67:32668"
-        auth_client_secret=Auth.api_key("01jryrcctd8c8vxbj4bs2ywrgs"),  # 필요 없으면 제거
-        additional_headers={
-            "X-OpenAI-Api-Key": "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"  # 필요할 경우
-        }  
+    # client = weaviate.Client(
+    #     url="http://183.111.96.67:32668",  # 예: "http://183.111.96.67:32668"
+    #     auth_client_secret=Auth.api_key("01js3q6y7twaxccm5dbh3se9bt"),  # 필요 없으면 제거
+    #     additional_headers={
+    #         "X-OpenAI-Api-Key": "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"  # 필요할 경우
+    #     }  
+    # )
+    client = Client(
+        connection_params=ConnectionParams.from_http(
+            host="183.111.96.67",   # 도메인 or IP
+            port=32668,             # 포트
+            secure=False,            # HTTP면 False, HTTPS면 True
+            auth_credentials=auth_config
+        )
     )
   
     # client = weaviate.connect_to_custom(