diff --git a/requirements.txt b/requirements.txt
index 1e1af140e..293c32810 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,6 +30,6 @@ 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@19.0.2#egg=notifications-utils==19.0.2
+git+https://github.com/alphagov/notifications-utils.git@19.0.4#egg=notifications-utils==19.0.4
 
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3