diff --git a/requirements.in b/requirements.in
index a37f6e989..9fdd227b3 100644
--- a/requirements.in
+++ b/requirements.in
@@ -23,7 +23,6 @@ git+https://github.com/benoitc/gunicorn.git@1299ea9e967a61ae2edebe191082fd169b86
 notifications-python-client==6.3.0
 rtreelib==0.2.0
 fido2==0.9.3
-importlib-metadata==4.2.0
 pyproj==3.2.1
 
 # PaaS
diff --git a/requirements.txt b/requirements.txt
index 851242113..94328ad7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with python 3.10
+# This file is autogenerated by pip-compile with python 3.9
 # To update, run:
 #
 #    pip-compile requirements.in
@@ -87,8 +87,6 @@ humanize==4.0.0
     # via -r requirements.in
 idna==2.10
     # via requests
-importlib-metadata==4.2.0
-    # via -r requirements.in
 itsdangerous==1.1.0
     # via
     #   -r requirements.in
@@ -121,7 +119,7 @@ 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@55.1.0
+notifications-utils @ git+https://github.com/alphagov/notifications-utils.git@55.1.1
     # via -r requirements.in
 openpyxl==3.0.7
     # via pyexcel-xlsx
@@ -229,8 +227,6 @@ xlrd==1.2.0
     # via pyexcel-xls
 xlwt==1.3.0
     # via pyexcel-xls
-zipp==3.5.0
-    # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools