diff --git a/requirements.txt b/requirements.txt
index ef1b968b9..38dc7338d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ blinker==1.4
 
 git+https://github.com/alphagov/notifications-python-client.git@0.5.0#egg=notifications-python-client==0.5.0
 
-git+https://github.com/alphagov/notifications-utils.git@5.1.0#egg=notifications-utils==5.1.0
+git+https://github.com/alphagov/notifications-utils.git@5.2.0#egg=notifications-utils==5.2.0