diff --git a/requirements.txt b/requirements.txt
index b45a1a7..3599e5a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ langchain-openai>=0.3.0
 langgraph>=0.2.0
 langchain-chroma
 chromadb
-python-dotenv
\ No newline at end of file
+langchain-text-splitter
\ No newline at end of file