diff --git a/requirements.txt b/requirements.txt
index 550c7e4..d6a05a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 flask-restplus==0.9.2
 Flask-SQLAlchemy==2.1
+sqlalchemy==1.3.23
 Werkzeug==0.16.1