diff --git a/environments/python/requirements.txt b/environments/python/requirements.txt
index 2d258441..d1b36d7c 100644
--- a/environments/python/requirements.txt
+++ b/environments/python/requirements.txt
@@ -1,4 +1,4 @@
-flask ~= 0.12.3
+flask ~= 1.0.4
 bjoern
 httplib2
 python-dateutil