diff --git a/requirements.txt b/requirements.txt
index 0884c00..a73c8e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ bcrypt==3.1.0
 cffi==1.7.0
 click==6.6
 coverage==4.2
-Flask==0.11.1
+Flask==1.0
 Flask-Bcrypt==0.7.1
 Flask-Migrate==2.0.0
 Flask-Script==2.0.5