diff --git a/requirements.txt b/requirements.txt
index cbcd862..2a3f759 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 langchain-core>=0.3.0
-langchain>=0.3.0
+langchain>=1.2.10
 langgraph>=0.2.0
 langchain-openai>=0.2.0
 python-dotenv>=1.0.0