diff --git a/Makefile b/Makefile
index 9a0de687f..779c54a44 100644
--- a/Makefile
+++ b/Makefile
@@ -70,8 +70,8 @@ fix-imports: ## Fix imports using isort
 
 .PHONY: freeze-requirements
 freeze-requirements: ## create static requirements.txt
-	${VIRTUALENV_ROOT}/bin/pip install --upgrade pip-tools
-	${VIRTUALENV_ROOT}/bin/pip-compile requirements.in
+	pip install --upgrade pip-tools
+	pip-compile requirements.in
 
 .PHONY: pip-audit
 pip-audit:
diff --git a/requirements.in b/requirements.in
index b1dc387d0..4508546d6 100644
--- a/requirements.in
+++ b/requirements.in
@@ -30,7 +30,7 @@ python-dotenv==0.20.0
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 itsdangerous==2.1.2
-notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@56.0.0
+notifications-utils @ git+https://github.com/GSA/notifications-utils.git
 govuk-frontend-jinja @ git+https://github.com/alphagov/govuk-frontend-jinja.git@v0.5.8-alpha
 
 # gds-metrics requires prometheseus 0.2.0, override that requirement as later versions bring significant performance gains
diff --git a/requirements.txt b/requirements.txt
index a1054f111..99f974fdd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,19 +60,20 @@ fido2==0.9.3
 flask==2.1.2
     # via
     #   -r requirements.in
+    #   flask-basicauth
     #   flask-login
     #   flask-redis
     #   flask-wtf
     #   gds-metrics
     #   notifications-utils
+flask-basicauth==0.2.0
+    # via -r requirements.in
 flask-login==0.6.1
     # via -r requirements.in
 flask-redis==0.4.0
     # via notifications-utils
 flask-wtf==1.0.1
     # via -r requirements.in
-Flask-BasicAuth==0.2.0
-    # via -r requirements.in
 gds-metrics @ git+https://github.com/alphagov/gds_metrics_python.git@6f1840a57b6fb1ee40b7e84f2f18ec229de8aa72
     # via -r requirements.in
 geojson==2.5.0
@@ -91,6 +92,8 @@ humanize==4.1.0
     # via -r requirements.in
 idna==3.3
     # via requests
+importlib-metadata==4.12.0
+    # via flask
 itsdangerous==2.1.2
     # via
     #   -r requirements.in
@@ -123,7 +126,7 @@ mistune==0.8.4
     # via notifications-utils
 notifications-python-client==6.3.0
     # via -r requirements.in
-notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@56.0.0
+notifications-utils @ git+https://github.com/GSA/notifications-utils.git
     # via -r requirements.in
 openpyxl==3.0.10
     # via pyexcel-xlsx
@@ -215,6 +218,8 @@ statsd==3.3.0
     # via notifications-utils
 texttable==1.6.4
     # via pyexcel
+typing-extensions==4.3.0
+    # via pypdf2
 urllib3==1.26.9
     # via
     #   botocore
@@ -236,6 +241,8 @@ xlrd==2.0.1
     # via pyexcel-xls
 xlwt==1.3.0
     # via pyexcel-xls
+zipp==3.8.1
+    # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools