diff --git a/requirements-app.txt b/requirements-app.txt
index 2445849d6..fccb5d8c0 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -31,6 +31,6 @@ botocore<1.11.0  # pyup: ignore
 # Putting upgrade on hold due to v1.0.0 using sha512 instead of sha1 by default
 itsdangerous==0.24  # pyup: <1.0.0
 
-git+https://github.com/alphagov/notifications-utils.git@30.5.5#egg=notifications-utils==30.5.5
+git+https://github.com/alphagov/notifications-utils.git@30.5.6#egg=notifications-utils==30.5.6
 
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3
diff --git a/requirements.txt b/requirements.txt
index 20bc18f34..6a96b0045 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ botocore<1.11.0  # pyup: ignore
 # Putting upgrade on hold due to v1.0.0 using sha512 instead of sha1 by default
 itsdangerous==0.24  # pyup: <1.0.0
 
-git+https://github.com/alphagov/notifications-utils.git@30.5.5#egg=notifications-utils==30.5.5
+git+https://github.com/alphagov/notifications-utils.git@30.5.6#egg=notifications-utils==30.5.6
 
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3
 
@@ -70,7 +70,7 @@ PyPDF2==1.26.0
 python-dateutil==2.7.3
 python-editor==1.0.3
 python-json-logger==0.1.8
-pytz==2018.5
+pytz==2018.6
 PyYAML==3.13
 redis==2.10.6
 requests==2.20.0