diff --git a/requirements.in b/requirements.in
index 7343ca794..81053f579 100644
--- a/requirements.in
+++ b/requirements.in
@@ -30,7 +30,7 @@ pyproj==3.2.1
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 itsdangerous==1.1.0  # pyup: <2
-notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@49.1.0
+notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@50.0.0
 govuk-frontend-jinja @ git+https://github.com/alphagov/govuk-frontend-jinja.git@v0.5.8-alpha
 
 # cryptography 3.4+ incorporates Rust code, which isn't supported on PaaS
diff --git a/requirements.txt b/requirements.txt
index feba75754..94cece298 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -123,7 +123,7 @@ mistune==0.8.4
     # via notifications-utils
 notifications-python-client==6.3.0
     # via -r requirements.in
-notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@49.1.0
+notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@50.0.0
     # via -r requirements.in
 openpyxl==3.0.7
     # via pyexcel-xlsx