diff --git a/requirements.txt b/requirements.txt
index 3011aa5..9ccd892 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.12.2
+Flask==1.0
 google-cloud-datastore==1.2.0
 google-cloud-pubsub==0.27.0
 gunicorn==19.7.1