diff --git a/requirements.txt b/requirements.txt
index 8418aa9e4..dbf51f833 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,10 +14,10 @@ pyexcel-io==0.5.20
 pyexcel-xls==0.5.8
 pyexcel-xlsx==0.5.7
 pyexcel-ods3==0.5.3
-pytz==2019.2
+pytz==2019.3
 gunicorn==19.7.1  # pyup: ignore, >19.8 breaks eventlet patching
 eventlet==0.25.1
-notifications-python-client==5.3.0
+notifications-python-client==5.4.0
 
 # PaaS
 awscli-cwlogs>=1.4,<1.5
@@ -29,10 +29,10 @@ git+https://github.com/alphagov/notifications-utils.git@36.0.0#egg=notifications
 git+https://github.com/alphagov/govuk-frontend-jinja.git@v0.3.0-alpha#egg=govuk-frontend-jinja==0.3.0-alpha
 
 ## The following requirements were added by pip freeze:
-awscli==1.16.266
+awscli==1.16.278
 bleach==3.1.0
 boto3==1.9.221
-botocore==1.13.2
+botocore==1.13.14
 certifi==2019.9.11
 chardet==3.0.4
 Click==7.0
@@ -42,7 +42,7 @@ docopt==0.6.2
 docutils==0.15.2
 et-xmlfile==1.0.1
 flask-redis==0.4.0
-future==0.18.1
+future==0.18.2
 greenlet==0.4.15
 idna==2.8
 jdcal==1.4.1
@@ -60,14 +60,14 @@ pyasn1==0.4.7
 pyexcel-ezodf==0.3.4
 PyJWT==1.7.1
 PyPDF2==1.26.0
-python-dateutil==2.8.0
+python-dateutil==2.8.1
 python-json-logger==0.1.11
 PyYAML==5.1.2
 redis==3.3.11
 requests==2.22.0
 rsa==3.4.2
 s3transfer==0.2.1
-six==1.12.0
+six==1.13.0
 smartypants==2.0.1
 statsd==3.3.0
 texttable==1.6.2