diff --git a/requirements-app.txt b/requirements-app.txt
index 9bcd4e7db..43c7fbb3d 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -25,6 +25,10 @@ rfc3987==1.3.8
 cachetools==4.2.1
 beautifulsoup4==4.9.3
 lxml==4.6.3
+
+# When we upgraded to 2.0.1 we noticed significantly higher memory usage on the API
+Werkzeug==1.0.1 # puyp: < 2.0.0
+
 # higher version causes build to fail on PaaS due to lack of Rust
 # see https://github.com/pyca/cryptography/issues/5810
 cryptography<3.4 # pyup: <3.4
diff --git a/requirements.txt b/requirements.txt
index 941312516..4215ba16e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,6 +27,10 @@ rfc3987==1.3.8
 cachetools==4.2.1
 beautifulsoup4==4.9.3
 lxml==4.6.3
+
+# When we upgraded to 2.0.1 we noticed significantly higher memory usage on the API
+Werkzeug==1.0.1 # puyp: < 2.0.0
+
 # higher version causes build to fail on PaaS due to lack of Rust
 # see https://github.com/pyca/cryptography/issues/5810
 cryptography<3.4 # pyup: <3.4
@@ -47,25 +51,25 @@ alembic==1.6.5
 amqp==1.4.9
 anyjson==0.3.3
 attrs==21.2.0
-awscli==1.19.108
+awscli==1.20.1
 bcrypt==3.2.0
 billiard==3.3.0.23
 bleach==3.3.0
 blinker==1.4
 boto==2.49.0
-boto3==1.17.108
-botocore==1.20.108
+boto3==1.18.1
+botocore==1.21.1
 certifi==2021.5.30
-chardet==4.0.0
+charset-normalizer==2.0.3
 click==8.0.1
 colorama==0.4.3
 dnspython==1.16.0
 docutils==0.15.2
 flask-redis==0.4.0
 geojson==2.5.0
-govuk-bank-holidays==0.8
+govuk-bank-holidays==0.9
 greenlet==1.1.0
-idna==2.10
+idna==3.2
 Jinja2==3.0.1
 jmespath==0.10.0
 kombu==3.0.37
@@ -80,15 +84,15 @@ pycparser==2.20
 pyparsing==2.4.7
 PyPDF2==1.26.0
 pyrsistent==0.18.0
-python-dateutil==2.8.1
+python-dateutil==2.8.2
 python-editor==1.0.4
 python-json-logger==2.0.1
 pytz==2021.1
 PyYAML==5.4.1
 redis==3.5.3
-requests==2.25.1
+requests==2.26.0
 rsa==4.7.2
-s3transfer==0.4.2
+s3transfer==0.5.0
 Shapely==1.7.1
 six==1.16.0
 smartypants==2.0.1
@@ -96,4 +100,3 @@ soupsieve==2.2.1
 statsd==3.3.0
 urllib3==1.26.6
 webencodings==0.5.1
-Werkzeug==2.0.1