diff --git a/requirements.txt b/requirements.txt
index 692b5ce..6523332 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.12.3
+Flask==1.0
 Jinja2>=2.10.1
 MarkupSafe==1.0
 Werkzeug==0.15.3