diff --git a/requirements.txt b/requirements.txt
index 7598c18..f2a8198 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 langchain-core
 langchain-openai
-langchain-ollama
\ No newline at end of file
+langchain-ollama
+langgraph
\ No newline at end of file