diff --git a/requirements.txt b/requirements.txt
index 9afb592..43afa4f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.12.3
+Flask==1.0
 google-api-python-client
 google-auth==1.4.1
 requests==2.20.0