diff --git a/requirements.txt b/requirements.txt
index 3de03f35d..f10588e57 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ Flask-Cache==0.13.1
 python-memcached==1.58
 
 # database
-Flask-SQLAlchemy==2.1
+Flask-SQLAlchemy==2.2
 SQLAlchemy==1.1.14
 psycopg2==2.7.3.1
 SQLAlchemy-Utils==0.32.16