diff --git a/submission/requirements.txt b/submission/requirements.txt
index 1201ad7..0993691 100644
--- a/submission/requirements.txt
+++ b/submission/requirements.txt
@@ -43,7 +43,7 @@ entrypoints==0.2.3
 et-xmlfile==1.0.1
 fastcache==1.0.2
 filelock==2.0.12
-Flask==0.12.2
+Flask==1.0
 Flask-Cors==3.0.3
 gevent==1.2.2
 glob2==0.5