diff --git a/requirements.txt b/requirements.txt
index 24c3caa..648e893 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 docx2txt
-langchain == 0.1.20
+langchain == 0.3.7
 langchainhub
 langgraph == 0.0.51
 langchain-core == 0.2.4