diff --git a/requirements-app.txt b/requirements-app.txt
index addf7907f..9add2b454 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -15,7 +15,7 @@ pyexcel-ods3==0.5.3
 pytz==2019.3
 gunicorn==19.7.1  # pyup: ignore, >19.8 breaks eventlet patching
 eventlet==0.25.1
-notifications-python-client==5.3.0
+notifications-python-client==5.4.0
 
 # PaaS
 awscli-cwlogs>=1.4,<1.5