diff --git a/requirements.txt b/requirements.txt
index 67ecafcad..2ffde9501 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,6 +26,6 @@ notifications-python-client==4.6.0
 awscli>=1.11,<1.12
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@22.1.0#egg=notifications-utils==22.1.0
+git+https://github.com/alphagov/notifications-utils.git@23.0.1#egg=notifications-utils==23.0.1
 
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3