diff --git a/Machine-Backend/requirements.txt b/Machine-Backend/requirements.txt
index 0809383..7f52783 100644
--- a/Machine-Backend/requirements.txt
+++ b/Machine-Backend/requirements.txt
@@ -3,4 +3,5 @@ Flask-CORS
 Flask-SQLAlchemy
 python-dotenv
 pymysql
-gunicorn
\ No newline at end of file
+gunicorn
+cryptography
\ No newline at end of file