diff --git a/setup.py b/setup.py
index ad86b08959ae..afc767c2c5cd 100644
--- a/setup.py
+++ b/setup.py
@@ -46,6 +46,7 @@ def get_git_sha():
         'celery==3.1.25',
         'colorama==0.3.9',
         'cryptography==1.9',
+        'flask==0.12.2',
         'flask-appbuilder==1.9.1',
         'flask-cache==0.13.1',
         'flask-migrate==2.0.3',