diff --git a/requirements-app.txt b/requirements-app.txt
index 9f80bb070..82491e722 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -21,4 +21,4 @@ notifications-python-client==5.2.0
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@30.3.0#egg=notifications-utils==30.3.0
+git+https://github.com/alphagov/notifications-utils.git@30.3.1#egg=notifications-utils==30.3.1
diff --git a/requirements.txt b/requirements.txt
index a44ec268e..d38cebef9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ notifications-python-client==5.2.0
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@30.3.0#egg=notifications-utils==30.3.0
+git+https://github.com/alphagov/notifications-utils.git@30.3.1#egg=notifications-utils==30.3.1
 
 ## The following requirements were added by pip freeze:
 awscli==1.16.20