diff --git a/requirements.txt b/requirements.txt
index b61de0fa7..eed8c46a0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask-Bcrypt==0.7.1
 Flask-Marshmallow==0.8.0
 Flask-Migrate==2.1.1
 Flask-SQLAlchemy==2.3.2
-Flask==0.12.2
+Flask==1.0.2
 click-datetime==0.2
 eventlet==0.23.0
 gunicorn==19.7.1