diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d5e311d9..f24cd3fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04]
         python-version: ['3.8']
-        toxenv: [quality, docs, pii_check, django32, django40]
+        toxenv: [quality, docs, pii_check, django32, django42]
 
     steps:
     - uses: actions/checkout@v3
@@ -37,7 +37,7 @@ jobs:
       run: tox
 
     - name: Run Coverage
-      if: matrix.python-version == '3.8' && matrix.toxenv=='django32'
+      if: matrix.python-version == '3.8' && matrix.toxenv=='django42'
       uses: codecov/codecov-action@v3
       with:
         flags: unittests
diff --git a/event_routing_backends/__init__.py b/event_routing_backends/__init__.py
index 428866e4..c0c6c97e 100644
--- a/event_routing_backends/__init__.py
+++ b/event_routing_backends/__init__.py
@@ -2,6 +2,4 @@
 Various backends for receiving edX LMS events..
 """
 
-__version__ = '5.5.1'
-
-default_app_config = 'event_routing_backends.apps.EventRoutingBackendsConfig'  # pylint: disable=invalid-name
+__version__ = '5.5.2'
diff --git a/event_routing_backends/admin.py b/event_routing_backends/admin.py
index 343ee6fc..5695fcd5 100644
--- a/event_routing_backends/admin.py
+++ b/event_routing_backends/admin.py
@@ -7,6 +7,7 @@
 from event_routing_backends.models import RouterConfiguration
 
 
+@admin.register(RouterConfiguration)
 class RouterConfigurationAdmin(KeyedConfigurationModelAdmin):
     """
     Admin model class for RouterConfiguration model.
@@ -20,6 +21,3 @@ def get_displayable_field_names(self):
         Get the list display.
         """
         return ['backend_name', 'enabled', 'route_url', 'configurations']
-
-
-admin.site.register(RouterConfiguration, RouterConfigurationAdmin)
diff --git a/setup.py b/setup.py
index 06baeead..68ea38d1 100644
--- a/setup.py
+++ b/setup.py
@@ -127,7 +127,7 @@ def is_requirement(line):
         'Development Status :: 3 - Alpha',
         'Framework :: Django',
         'Framework :: Django :: 3.2',
-        'Framework :: Django :: 4.0',
+        'Framework :: Django :: 4.2',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)',
         'Natural Language :: English',
diff --git a/tox.ini b/tox.ini
index bf7f562d..e017a3e0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38-django{32,40} quality, docs, pii_check
+envlist = py38-django{32,42}, quality, docs, pii_check
 
 [doc8]
 ignore = D001
@@ -36,7 +36,7 @@ norecursedirs = .* docs requirements site-packages
 [testenv]
 deps =
     django32: Django>=3.2,<4.0
-    django40: Django>=4.0,<4.1
+    django42: Django>=4.2,<4.3
     -r{toxinidir}/requirements/test.txt
 commands =
     pytest {posargs}
@@ -45,7 +45,7 @@ commands =
 setenv =
     DJANGO_SETTINGS_MODULE = test_settings
     PYTHONPATH = {toxinidir}
-whitelist_externals =
+allowlist_externals =
     make
     rm
 deps =
@@ -63,7 +63,7 @@ commands =
 setenv =
     DJANGO_SETTINGS_MODULE = test_settings
     PYTHONPATH = .
-whitelist_externals =
+allowlist_externals =
     make
     rm
     touch