diff --git a/gravity/gravity-backend/requirements.txt b/gravity/gravity-backend/requirements.txt
index b5bcb1c..9b31027 100644
--- a/gravity/gravity-backend/requirements.txt
+++ b/gravity/gravity-backend/requirements.txt
@@ -1,7 +1,7 @@
 aniso8601==1.2.0
 appdirs==1.4.0
 click==6.7
-Flask==0.12
+Flask==1.0
 Flask-Cors==3.0.2
 Flask-RESTful==0.3.5
 gunicorn==19.7.1