diff --git a/requirements.txt b/requirements.txt
index 0fa1604a6..fb71c6bea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@ notifications-python-client==4.8.2
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@27.0.0#egg=notifications-utils==27.0.0
+git+https://github.com/alphagov/notifications-utils.git@27.1.1#egg=notifications-utils==27.1.1