diff --git a/requirements.txt b/requirements.txt
index 1f79842..5fd3a11 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ aniso8601==1.1.0
 Babel==2.3.4
 click==6.6
 dominate==2.2.0
-Flask==0.11
+Flask==1.0
 Flask-Babel==0.11.1
 Flask-PyMongo==0.4.1
 itsdangerous==0.24