diff --git a/requirements.txt b/requirements.txt
index 6f75002c..708a2fbc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -114,7 +114,7 @@
 # simpleaichat
 
 transformers
-langchain==langchain==0.0.240
+langchain==0.0.240
 nest_asyncio
 pegasusx
 google-generativeai