diff --git a/requirements.txt b/requirements.txt
index ea7c9b8..6822733 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 langchain-core
 langchain-community
-langgraph
\ No newline at end of file
+langgraph
+openai
\ No newline at end of file