diff --git a/analytics_data_api/urls.py b/analytics_data_api/urls.py
index e1c9e0bc..34355a4c 100644
--- a/analytics_data_api/urls.py
+++ b/analytics_data_api/urls.py
@@ -1,11 +1,11 @@
-from django.conf.urls import include, url
+from django.urls import include, re_path
 from rest_framework.urlpatterns import format_suffix_patterns
 
 app_name = 'analytics_data_api'
 
 urlpatterns = [
-    url(r'^v0/', include('analytics_data_api.v0.urls')),
-    url(r'^v1/', include('analytics_data_api.v1.urls')),
+    re_path(r'^v0/', include('analytics_data_api.v0.urls')),
+    re_path(r'^v1/', include('analytics_data_api.v1.urls')),
 ]
 
 urlpatterns = format_suffix_patterns(urlpatterns)
diff --git a/analytics_data_api/v0/__init__.py b/analytics_data_api/v0/__init__.py
index ce955d0d..e69de29b 100644
--- a/analytics_data_api/v0/__init__.py
+++ b/analytics_data_api/v0/__init__.py
@@ -1 +0,0 @@
-default_app_config = 'analytics_data_api.v0.apps.ApiAppConfig'
diff --git a/analytics_data_api/v0/models.py b/analytics_data_api/v0/models.py
index ec2ec69d..f7d65010 100644
--- a/analytics_data_api/v0/models.py
+++ b/analytics_data_api/v0/models.py
@@ -135,7 +135,7 @@ class Meta(BaseCourseModel.Meta):
 
     module_id = models.CharField(db_index=True, max_length=255)
     part_id = models.CharField(db_index=True, max_length=255)
-    correct = models.NullBooleanField()
+    correct = models.BooleanField(default=None, null=True)
     value_id = models.CharField(db_index=True, max_length=255, null=True)
     answer_value = models.TextField(null=True, db_column='answer_value_text')
     variant = models.IntegerField(null=True)
diff --git a/analytics_data_api/v0/urls/__init__.py b/analytics_data_api/v0/urls/__init__.py
index 91e7dec8..89811edc 100644
--- a/analytics_data_api/v0/urls/__init__.py
+++ b/analytics_data_api/v0/urls/__init__.py
@@ -1,5 +1,4 @@
-from django.conf.urls import include, url
-from django.urls import reverse_lazy
+from django.urls import include, path, reverse_lazy
 from django.views.generic import RedirectView
 
 app_name = 'analytics_data_api.v0'
@@ -7,15 +6,15 @@
 COURSE_ID_PATTERN = r'(?P<course_id>[^/+]+[/+][^/+]+[/+][^/]+)'
 
 urlpatterns = [
-    url(r'^courses/', include('analytics_data_api.v0.urls.courses')),
-    url(r'^problems/', include('analytics_data_api.v0.urls.problems')),
-    url(r'^videos/', include('analytics_data_api.v0.urls.videos')),
-    url('^', include('analytics_data_api.v0.urls.learners')),
-    url('^', include('analytics_data_api.v0.urls.course_summaries')),
-    url('^', include('analytics_data_api.v0.urls.programs')),
+    path('courses/', include('analytics_data_api.v0.urls.courses')),
+    path('problems/', include('analytics_data_api.v0.urls.problems')),
+    path('videos/', include('analytics_data_api.v0.urls.videos')),
+    path('', include('analytics_data_api.v0.urls.learners')),
+    path('', include('analytics_data_api.v0.urls.course_summaries')),
+    path('', include('analytics_data_api.v0.urls.programs')),
 
     # pylint: disable=no-value-for-parameter
-    url(r'^authenticated/$', RedirectView.as_view(url=reverse_lazy('authenticated')), name='authenticated'),
-    url(r'^health/$', RedirectView.as_view(url=reverse_lazy('health')), name='health'),
-    url(r'^status/$', RedirectView.as_view(url=reverse_lazy('status')), name='status'),
+    path('authenticated/', RedirectView.as_view(url=reverse_lazy('authenticated')), name='authenticated'),
+    path('health/', RedirectView.as_view(url=reverse_lazy('health')), name='health'),
+    path('status/', RedirectView.as_view(url=reverse_lazy('status')), name='status'),
 ]
diff --git a/analytics_data_api/v0/urls/course_summaries.py b/analytics_data_api/v0/urls/course_summaries.py
index 27039f2f..fa741af2 100644
--- a/analytics_data_api/v0/urls/course_summaries.py
+++ b/analytics_data_api/v0/urls/course_summaries.py
@@ -1,9 +1,9 @@
-from django.conf.urls import url
+from django.urls import re_path
 
 from analytics_data_api.v0.views import course_summaries as views
 
 app_name = 'course_summaries'
 
 urlpatterns = [
-    url(r'^course_summaries/$', views.CourseSummariesView.as_view(), name='course_summaries'),
+    re_path(r'^course_summaries/$', views.CourseSummariesView.as_view(), name='course_summaries'),
 ]
diff --git a/analytics_data_api/v0/urls/courses.py b/analytics_data_api/v0/urls/courses.py
index b4c31dae..e2d4e4a4 100644
--- a/analytics_data_api/v0/urls/courses.py
+++ b/analytics_data_api/v0/urls/courses.py
@@ -1,4 +1,4 @@
-from django.conf.urls import url
+from django.urls import re_path
 
 from analytics_data_api.v0.urls import COURSE_ID_PATTERN
 from analytics_data_api.v0.views import courses as views
@@ -25,4 +25,4 @@
 
 for path, view, name in COURSE_URLS:
     regex = fr'^{COURSE_ID_PATTERN}/{path}/$'
-    urlpatterns.append(url(regex, view.as_view(), name=name))
+    urlpatterns.append(re_path(regex, view.as_view(), name=name))
diff --git a/analytics_data_api/v0/urls/learners.py b/analytics_data_api/v0/urls/learners.py
index 425074b0..18d802bc 100644
--- a/analytics_data_api/v0/urls/learners.py
+++ b/analytics_data_api/v0/urls/learners.py
@@ -1,4 +1,4 @@
-from django.conf.urls import url
+from django.urls import re_path
 
 from analytics_data_api.constants.learner import UUID_REGEX_PATTERN
 from analytics_data_api.v0.views import learners as views
@@ -8,6 +8,6 @@
 USERNAME_PATTERN = r'(?P<username>[\w.+-]+)'
 
 urlpatterns = [
-    url(fr'^enterprise/(?P<enterprise_customer>{UUID_REGEX_PATTERN})/engagements/$',
-        views.EnterpriseLearnerEngagementView.as_view(), name='engagements'),
+    re_path(fr'^enterprise/(?P<enterprise_customer>{UUID_REGEX_PATTERN})/engagements/$',
+            views.EnterpriseLearnerEngagementView.as_view(), name='engagements'),
 ]
diff --git a/analytics_data_api/v0/urls/problems.py b/analytics_data_api/v0/urls/problems.py
index e9fa2b59..b11ebf47 100644
--- a/analytics_data_api/v0/urls/problems.py
+++ b/analytics_data_api/v0/urls/problems.py
@@ -1,6 +1,6 @@
 import re
 
-from django.conf.urls import url
+from django.urls import re_path
 
 from analytics_data_api.v0.views import problems as views
 
@@ -12,9 +12,10 @@
 ]
 
 urlpatterns = [
-    url(r'^(?P<module_id>.+)/sequential_open_distribution/$',
-        views.SequentialOpenDistributionView.as_view(), name='sequential_open_distribution'),
+    re_path(r'^(?P<module_id>.+)/sequential_open_distribution/$',
+            views.SequentialOpenDistributionView.as_view(),
+            name='sequential_open_distribution'),
 ]
 
 for path, view, name in PROBLEM_URLS:
-    urlpatterns.append(url(r'^(?P<problem_id>.+)/' + re.escape(path) + r'/$', view.as_view(), name=name))
+    urlpatterns.append(re_path(r'^(?P<problem_id>.+)/' + re.escape(path) + r'/$', view.as_view(), name=name))
diff --git a/analytics_data_api/v0/urls/programs.py b/analytics_data_api/v0/urls/programs.py
index 051df031..76686cad 100644
--- a/analytics_data_api/v0/urls/programs.py
+++ b/analytics_data_api/v0/urls/programs.py
@@ -1,9 +1,9 @@
-from django.conf.urls import url
+from django.urls import path
 
 from analytics_data_api.v0.views import programs as views
 
 app_name = 'programs'
 
 urlpatterns = [
-    url(r'^programs/$', views.ProgramsView.as_view(), name='programs'),
+    path('programs/', views.ProgramsView.as_view(), name='programs'),
 ]
diff --git a/analytics_data_api/v0/urls/videos.py b/analytics_data_api/v0/urls/videos.py
index eb19c1ee..ea6e633d 100644
--- a/analytics_data_api/v0/urls/videos.py
+++ b/analytics_data_api/v0/urls/videos.py
@@ -1,6 +1,6 @@
 import re
 
-from django.conf.urls import url
+from django.urls import re_path
 
 from analytics_data_api.v0.views import videos as views
 
@@ -13,4 +13,4 @@
 urlpatterns = []
 
 for path, view, name in VIDEO_URLS:
-    urlpatterns.append(url(r'^(?P<video_id>.+)/' + re.escape(path) + r'/$', view.as_view(), name=name))
+    urlpatterns.append(re_path(r'^(?P<video_id>.+)/' + re.escape(path) + r'/$', view.as_view(), name=name))
diff --git a/analytics_data_api/v0/views/courses.py b/analytics_data_api/v0/views/courses.py
index 4c8bba42..65b1b6cb 100644
--- a/analytics_data_api/v0/views/courses.py
+++ b/analytics_data_api/v0/views/courses.py
@@ -7,7 +7,7 @@
 from django.db import connections, router
 from django.db.models import Max
 from django.http import Http404
-from django.utils.timezone import make_aware, utc
+from django.utils.timezone import make_aware
 from opaque_keys.edx.keys import CourseKey
 from rest_framework import generics
 from rest_framework.response import Response
@@ -32,7 +32,7 @@ def get(self, request, *args, **kwargs):
         self.course_id = self.kwargs.get('course_id')
         start_date = request.query_params.get('start_date')
         end_date = request.query_params.get('end_date')
-        timezone = utc
+        timezone = datetime.timezone.utc
 
         self.start_date = self.parse_date(start_date, timezone)
         self.end_date = self.parse_date(end_date, timezone)
diff --git a/analytics_data_api/v1/urls.py b/analytics_data_api/v1/urls.py
index 39677cb2..17cc4991 100644
--- a/analytics_data_api/v1/urls.py
+++ b/analytics_data_api/v1/urls.py
@@ -1,5 +1,4 @@
-from django.conf.urls import include, url
-from django.urls import reverse_lazy
+from django.urls import include, re_path, reverse_lazy
 from django.views.generic import RedirectView
 
 from analytics_data_api.v0.urls import COURSE_ID_PATTERN
@@ -26,16 +25,16 @@
 
 for path, view, name in COURSE_URLS:
     regex = fr'^courses/{COURSE_ID_PATTERN}/{path}/$'
-    course_urlpatterns.append(url(regex, view.as_view(), name=name))
+    course_urlpatterns.append(re_path(regex, view.as_view(), name=name))
 
 urlpatterns = course_urlpatterns + [
-    url(r'^problems/', include('analytics_data_api.v0.urls.problems')),
-    url(r'^videos/', include('analytics_data_api.v0.urls.videos')),
-    url('^', include('analytics_data_api.v0.urls.course_summaries')),
-    url('^', include('analytics_data_api.v0.urls.programs')),
+    re_path(r'^problems/', include('analytics_data_api.v0.urls.problems')),
+    re_path(r'^videos/', include('analytics_data_api.v0.urls.videos')),
+    re_path('^', include('analytics_data_api.v0.urls.course_summaries')),
+    re_path('^', include('analytics_data_api.v0.urls.programs')),
 
     # pylint: disable=no-value-for-parameter
-    url(r'^authenticated/$', RedirectView.as_view(url=reverse_lazy('authenticated')), name='authenticated'),
-    url(r'^health/$', RedirectView.as_view(url=reverse_lazy('health')), name='health'),
-    url(r'^status/$', RedirectView.as_view(url=reverse_lazy('status')), name='status'),
+    re_path(r'^authenticated/$', RedirectView.as_view(url=reverse_lazy('authenticated')), name='authenticated'),
+    re_path(r'^health/$', RedirectView.as_view(url=reverse_lazy('health')), name='health'),
+    re_path(r'^status/$', RedirectView.as_view(url=reverse_lazy('status')), name='status'),
 ]
diff --git a/analyticsdataserver/urls.py b/analyticsdataserver/urls.py
index 30df184a..df0d3f45 100644
--- a/analyticsdataserver/urls.py
+++ b/analyticsdataserver/urls.py
@@ -1,5 +1,5 @@
-from django.conf.urls import include, url
 from django.contrib import admin
+from django.urls import include, re_path
 from django.views.generic import RedirectView
 from edx_api_doc_tools import make_api_info, make_docs_ui_view
 from rest_framework.authtoken.views import obtain_auth_token
@@ -10,16 +10,16 @@
 admin.site.site_title = admin.site.site_header
 
 urlpatterns = [
-    url(r'^api-auth/', include('rest_framework.urls', 'rest_framework')),
-    url(r'^api-token-auth/', obtain_auth_token),
+    re_path(r'^api-auth/', include('rest_framework.urls', 'rest_framework')),
+    re_path(r'^api-token-auth/', obtain_auth_token),
 
-    url(r'^api/', include('analytics_data_api.urls')),
-    url(r'^status/$', views.StatusView.as_view(), name='status'),
-    url(r'^authenticated/$', views.AuthenticationTestView.as_view(), name='authenticated'),
-    url(r'^health/$', views.HealthView.as_view(), name='health'),
+    re_path(r'^api/', include('analytics_data_api.urls')),
+    re_path(r'^status/$', views.StatusView.as_view(), name='status'),
+    re_path(r'^authenticated/$', views.AuthenticationTestView.as_view(), name='authenticated'),
+    re_path(r'^health/$', views.HealthView.as_view(), name='health'),
 ]
 
-urlpatterns.append(url(r'', include('enterprise_data.urls')))
+urlpatterns.append(re_path(r'', include('enterprise_data.urls')))
 
 api_ui_view = make_docs_ui_view(
     api_info=make_api_info(
@@ -31,8 +31,8 @@
 )
 
 urlpatterns += [
-    url(r'^docs/$', api_ui_view, name='api-docs'),
-    url(r'^$', RedirectView.as_view(url='/docs')),  # pylint: disable=no-value-for-parameter
+    re_path(r'^docs/$', api_ui_view, name='api-docs'),
+    re_path(r'^$', RedirectView.as_view(url='/docs')),  # pylint: disable=no-value-for-parameter
 ]
 
 handler500 = 'analyticsdataserver.views.handle_internal_server_error'  # pylint: disable=invalid-name
diff --git a/docs/api/source/conf.py b/docs/api/source/conf.py
index 358711c8..79a5ea85 100644
--- a/docs/api/source/conf.py
+++ b/docs/api/source/conf.py
@@ -1,10 +1,9 @@
 import os
 import sys
-import django
 
+import django
 from path import Path
 
-
 # Add any paths that contain templates here, relative to this directory.
 # templates_path.append('source/_templates')
 
diff --git a/tox.ini b/tox.ini
index d45f6e84..c28250f5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,32 +1,30 @@
 [tox]
 skipsdist = True
-envlist = py38-django{32}
+envlist = py38-django{32, 42}
 
 [testenv]
-passenv =
-	ELASTICSEARCH_LEARNERS_HOST
-	COVERAGE_DIR
-setenv =
-	tests: DJANGO_SETTINGS_MODULE = analyticsdataserver.settings.test
-	NODE_BIN = ./node_modules/.bin
-	PATH = $PATH:$NODE_BIN
-deps =
-	django32: Django>=3.2,<3.3
-	-r requirements/test.txt
-commands =
-	{posargs:pytest}
+passenv = 
+    ELASTICSEARCH_LEARNERS_HOST
+    COVERAGE_DIR
+setenv = 
+    tests: DJANGO_SETTINGS_MODULE = analyticsdataserver.settings.test
+    NODE_BIN = ./node_modules/.bin
+    PATH = $PATH:$NODE_BIN
+deps = 
+    django32: Django>=3.2,<3.3
+    django42: Django>=4.2,<4.3
+    -r requirements/test.txt
+commands = 
+    {posargs:pytest}
 
 [testenv:docs]
-deps =
+deps = 
     -r{toxinidir}/requirements/doc.txt
-allowlist_externals =
+allowlist_externals = 
     make
     env
-setenv =
-# -W will treat warnings as errors.
+setenv = 
     SPHINXOPTS = -W
-commands =
-# -e allows for overriding setting from the environment.
-# -C changes the directory to `docs` before running the command.
+commands = 
     make -e -C docs/api clean
     make -e -C docs/api html