diff --git a/requirements.txt b/requirements.txt
index 4b03727..52507d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.12.2
+Flask==1.0
 google-auth==1.14.1
 google-auth-oauthlib==0.4.1
 google-pasta==0.2.0