diff --git a/requirements.txt b/requirements.txt
index 823f1edbe..f73c65539 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@ pytz==2016.4
 
 git+https://github.com/alphagov/notifications-python-client.git@3.0.1#egg=notifications-python-client==3.0.1
 
-git+https://github.com/alphagov/notifications-utils.git@10.0.0#egg=notifications-utils==10.0.0
+git+https://github.com/alphagov/notifications-utils.git@10.3.0#egg=notifications-utils==10.3.0