diff --git a/requirements.txt b/requirements.txt
index f73536619..a0ebd5053 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,4 +21,4 @@ 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