diff --git a/containers/ckan/config/requirements.txt b/containers/ckan/config/requirements.txt
index 7e12c29..4eb4b40 100644
--- a/containers/ckan/config/requirements.txt
+++ b/containers/ckan/config/requirements.txt
@@ -10,7 +10,7 @@ Beaker==1.8.0
 bleach==1.4.3
 decorator==4.0.6          # via pylons, sqlalchemy-migrate
 fanstatic==0.12
-Flask==0.10.1
+Flask==1.0
 FormEncode==1.3.0
 html5lib==0.9999999       # via bleach
 itsdangerous==0.24        # via flask