diff --git a/requirements-jupyter.txt b/requirements-jupyter.txt
index 23b4267..6bb6202 100644
--- a/requirements-jupyter.txt
+++ b/requirements-jupyter.txt
@@ -58,7 +58,7 @@ onnxruntime>=1.15.0
 
 # LangChain for RAG & AI Orchestration
 langchain==0.2.12
-langchain-core==0.2.43
+langchain-core==1.2.28
 langchain-community==0.2.10
 langchain-text-splitters==0.2.2
 langchain-openai==0.1.22