diff --git a/requirements.txt b/requirements.txt
index b6fc44963..29c9a51ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cffi==1.11.4
 click==6.7
 emoji==0.4.5
 flake8==3.6.0
-Flask==0.12.3
+Flask==1.0
 Flask-OAuth==0.12
 gunicorn==19.7.1
 httplib2==0.10.3