diff --git a/requirements-app.txt b/requirements-app.txt
index 36313954a..91658d72c 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -26,6 +26,6 @@ notifications-python-client==5.5.1
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@39.4.2#egg=notifications-utils==39.4.2
+git+https://github.com/alphagov/notifications-utils.git@39.4.3#egg=notifications-utils==39.4.3
 
 gds-metrics==0.2.0
diff --git a/requirements.txt b/requirements.txt
index 8987bf38b..99cbb730c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ notifications-python-client==5.5.1
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@39.4.2#egg=notifications-utils==39.4.2
+git+https://github.com/alphagov/notifications-utils.git@39.4.3#egg=notifications-utils==39.4.3
 
 gds-metrics==0.2.0
 
@@ -37,15 +37,15 @@ alembic==1.4.2
 amqp==1.4.9
 anyjson==0.3.3
 attrs==19.3.0
-awscli==1.18.69
+awscli==1.18.75
 bcrypt==3.1.7
 billiard==3.3.0.23
 bleach==3.1.4
 blinker==1.4
 boto==2.49.0
 boto3==1.10.38
-botocore==1.16.19
-certifi==2020.4.5.1
+botocore==1.16.25
+certifi==2020.4.5.2
 chardet==3.0.4
 click==7.1.2
 colorama==0.4.3
@@ -54,9 +54,9 @@ docutils==0.15.2
 flask-redis==0.4.0
 future==0.18.2
 govuk-bank-holidays==0.6
-greenlet==0.4.15
+greenlet==0.4.16
 idna==2.9
-importlib-metadata==1.6.0
+importlib-metadata==1.6.1
 Jinja2==2.11.2
 jmespath==0.10.0
 kombu==3.0.37
@@ -76,7 +76,7 @@ python-editor==1.0.4
 python-json-logger==0.1.11
 pytz==2020.1
 PyYAML==5.3.1
-redis==3.5.2
+redis==3.5.3
 requests==2.23.0
 rsa==3.4.2
 s3transfer==0.3.3