diff --git a/requirements.txt b/requirements.txt
index 94bfef0..fbd5ca4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.10.1
+Flask==1.0
 Jinja2==2.8
 ply==3.9
 lxml==3.6.4