diff --git a/services/rag-service/requirements.txt b/services/rag-service/requirements.txt
index 682f356..94f07d3 100644
--- a/services/rag-service/requirements.txt
+++ b/services/rag-service/requirements.txt
@@ -10,7 +10,7 @@ pydantic-settings==2.5.2
 # RAG Framework
 langchain==0.3.15
 langchain-community==0.3.15
-langchain-core==0.3.31
+langchain-core==0.3.80
 
 # Vector Database
 chromadb==0.5.23