diff --git a/requirements.txt b/requirements.txt
index a61f58c..2f5bb38 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.9
+Flask==1.0
 Jinja2==2.11.3
 Werkzeug==0.8.3
 argparse==1.2.1