diff --git a/requirements.txt b/requirements.txt
index ebbd1c9..d2d6dde 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 click==6.6
 ecdsa==0.13
-Flask==0.11.1
+Flask==1.0
 future==0.15.2
 itsdangerous==0.24
 Jinja2==2.8