diff --git a/requirements.txt b/requirements.txt
index 961d141..c7685ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ configobj==5.0.6
 cryptography==1.8.1
 curtsies==0.2.11
 enum34==1.1.6
-Flask==0.12.1
+Flask==1.0
 greenlet==0.4.12
 idna==2.5
 ipaddress==1.0.18