diff --git a/requirements.txt b/requirements.txt
index 46fffbb07..0d61a29a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -112,7 +112,7 @@ mistune==0.8.4
     # via notifications-utils
 monotonic==1.5
     # via notifications-python-client
-notifications-python-client==5.7.1
+notifications-python-client==6.0.2
     # via -r requirements.in
 git+https://github.com/alphagov/notifications-utils.git@43.8.3#egg=notifications-utils==43.8.3
     # via -r requirements.in