diff --git a/requirements-app.txt b/requirements-app.txt
index a68232ae0..b424d362e 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -23,5 +23,5 @@ notifications-python-client==5.6.0
 awscli-cwlogs>=1.4,<1.5
 itsdangerous==1.1.0
 
-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
 git+https://github.com/alphagov/govuk-frontend-jinja.git@v0.5.1-alpha#egg=govuk-frontend-jinja==0.5.1-alpha
diff --git a/requirements.txt b/requirements.txt
index 19f3ab393..fddd54163 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,15 +25,15 @@ notifications-python-client==5.6.0
 awscli-cwlogs>=1.4,<1.5
 itsdangerous==1.1.0
 
-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
 git+https://github.com/alphagov/govuk-frontend-jinja.git@v0.5.1-alpha#egg=govuk-frontend-jinja==0.5.1-alpha
 
 ## The following requirements were added by pip freeze:
-awscli==1.18.68
+awscli==1.18.75
 bleach==3.1.4
 boto3==1.10.38
-botocore==1.16.18
-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
@@ -43,7 +43,7 @@ docutils==0.15.2
 et-xmlfile==1.0.1
 flask-redis==0.4.0
 future==0.18.2
-greenlet==0.4.15
+greenlet==0.4.16
 idna==2.9
 jdcal==1.4.1
 Jinja2==2.11.2
@@ -63,7 +63,7 @@ PyPDF2==1.26.0
 python-dateutil==2.8.1
 python-json-logger==0.1.11
 PyYAML==5.3.1
-redis==3.5.2
+redis==3.5.3
 requests==2.23.0
 rsa==3.4.2
 s3transfer==0.3.3