diff --git a/requirements.txt b/requirements.txt
index 27280428..d6893e84 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,5 +23,6 @@ MarkupSafe==1.1.1
 python-dateutil==2.8.0
 pytz==2019.2
 SQLAlchemy==1.3.8
+SQLAlchemy-Continuum==1.3.9
 Werkzeug==0.16.0
 WTForms==2.2.1
diff --git a/setup.cfg b/setup.cfg
index b62a3f57..8d334e80 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,6 +25,7 @@ install_requires =
     flask
     flask-wtf
     flask-sqlalchemy<3.0
+    SQLAlchemy-Continuum
     flask-mail
     Flask-Migrate
     Flask-script