diff --git a/rtd_requirements.txt b/rtd_requirements.txt
index f17c6f1ba7..27f1bb82d4 100644
--- a/rtd_requirements.txt
+++ b/rtd_requirements.txt
@@ -30,7 +30,7 @@ flask-jwt-extended==4.3.1
     # via Flask-AppBuilder (setup.py)
 flask-login==0.4.1
     # via Flask-AppBuilder (setup.py)
-flask-sqlalchemy==2.5.1
+flask-sqlalchemy==3.1.1
     # via Flask-AppBuilder (setup.py)
 flask-wtf==0.14.3
     # via Flask-AppBuilder (setup.py)