diff --git a/requirements/base.txt b/requirements/base.txt
index f73cb3a..65a8e86 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -5,7 +5,7 @@ python-dotenv
 SQLAlchemy
 jsonpath-ng
 pandas
-langchain
+langchain==1.2.3
 langchain-openai
 jinja2
 termcolor
\ No newline at end of file