diff --git a/docker/control_flow/requirements.txt b/docker/control_flow/requirements.txt
index 7692ce8..1ba7c81 100644
--- a/docker/control_flow/requirements.txt
+++ b/docker/control_flow/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.12.2
+Flask==1.0
 requests>=2.20.0
 tldextract==2.2.0
 WTForms==2.1