diff --git a/backend/requirements.txt b/backend/requirements.txt
index 57646bc..81467aa 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,5 +1,6 @@
 fastapi==0.103.0
 uvicorn==0.23.2
+gunicorn
 python-multipart==0.0.6
 openpyxl==3.1.2
 pandas