diff --git a/app/rag_chain.py b/app/rag_chain.py
index 54d8c6d..de802d6 100644
--- a/app/rag_chain.py
+++ b/app/rag_chain.py
@@ -24,7 +24,8 @@ def build_rag_chain():
     #         "X-OpenAI-Api-Key": "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"  # 필요할 경우
     #     }  
     # )
-
+    OPENAI_API_KEY="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"
+    
     client = weaviate.connect_to_custom(
         http_host="183.111.96.67",
         http_port=32668,
@@ -33,7 +34,7 @@ def build_rag_chain():
         grpc_port=32619,
         grpc_secure=False,
         auth_credentials=AuthApiKey("01js3q6y7twaxccm5dbh3se9bt"),  # 인증이 필요 없으면 생략 가능
-        headers={"X-OpenAI-Api-Key": "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"}  # 필요시
+        headers={"X-OpenAI-Api-Key": OPENAI_API_KEY}  # 필요시
     )
 
     if client.is_ready():
@@ -47,11 +48,11 @@ def build_rag_chain():
         client=client,
         index_name="LangDocs",
         text_key="text",
-        embedding=OpenAIEmbeddings()
+        embedding=OpenAIEmbeddings(openai_api_key=OPENAI_API_KEY)
     )
 
     # 3. HuggingFace LLM (예: mistralai/Mistral-7B-Instruct-v0.2)
-    llm = ChatOpenAI(temperature=0)
+    llm = ChatOpenAI(temperature=0, openai_api_key=OPENAI_API_KEY)
 
     retriever = vectorstore.as_retriever()