diff --git a/requirements.txt b/requirements.txt
index b6dcff0..f697975 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 serial
-Flask==0.11.1
+Flask==1.0
 Flask-SocketIO==2.6.2
 eventlet==0.19.0
 greenlet==0.4.10