diff --git a/requirements.txt b/requirements.txt
index 79da8b7ad..5fc2fa1fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,6 +28,6 @@ notifications-python-client==4.3.1
 awscli>=1.11,<1.12
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@18.0.0#egg=notifications-utils==18.0.0
+git+https://github.com/alphagov/notifications-utils.git@18.0.1#egg=notifications-utils==18.0.1
 
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3