diff --git a/requirements.txt b/requirements.txt
index 6e5e20724..cadf2f584 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,6 +22,6 @@ Flask-Redis==0.1.0
 
 git+https://github.com/alphagov/notifications-python-client.git@3.0.0#egg=notifications-python-client==3.0.0
 
-git+https://github.com/alphagov/notifications-utils.git@12.0.0#egg=notifications-utils==12.0.0
+git+https://github.com/alphagov/notifications-utils.git@12.1.1#egg=notifications-utils==12.1.1
 
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3