diff --git a/requirements-app.txt b/requirements-app.txt
index 231747809..7e3fc969d 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -5,7 +5,7 @@ cffi==1.14.4
 celery[sqs]==3.1.26.post2 # pyup: <4
 docopt==0.6.2
 Flask-Bcrypt==0.7.1
-flask-marshmallow==0.11.0
+flask-marshmallow==0.14.0
 Flask-Migrate==2.5.3
 git+https://github.com/mitsuhiko/flask-sqlalchemy.git@500e732dd1b975a56ab06a46bd1a20a21e682262#egg=Flask-SQLAlchemy==2.3.2.dev20190108
 Flask==1.1.2