diff --git a/ai/python-rag-chatbot/requirements.txt b/ai/python-rag-chatbot/requirements.txt
index 7ea5d6c..60263eb 100644
--- a/ai/python-rag-chatbot/requirements.txt
+++ b/ai/python-rag-chatbot/requirements.txt
@@ -95,7 +95,7 @@ langchain==0.3.7
 langchain-cli==0.0.24
 langchain-cohere==0.1.5
 langchain-community==0.3.0
-langchain-core==0.2.2
+langchain-core==0.3.80
 langchain-text-splitters==0.2.0
 langchainhub==0.1.13
 langdetect==1.0.9