diff --git a/requirements.txt b/requirements.txt
index 5ec7739..987865f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 openai>=1.0.0
 python-dotenv>=1.0.0
 pydantic>=2.0.0
-gradio>=3.0.0
\ No newline at end of file
+gradio>=3.0.0
+langchain>=0.3
\ No newline at end of file