diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 83213b47..beeffcc7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.11", "3.12"]
-        toxenv: ["django42", "quality", "pii_check", "check_keywords"]
+        toxenv: ["django42", "django52", "quality", "pii_check", "check_keywords"]
 
     services:
       mysql:
diff --git a/notesapi/v1/tests/helpers.py b/notesapi/v1/tests/helpers.py
index 84ac49d7..0a7fd809 100644
--- a/notesapi/v1/tests/helpers.py
+++ b/notesapi/v1/tests/helpers.py
@@ -1,12 +1,12 @@
 from calendar import timegm
-from datetime import datetime, timedelta
+from datetime import UTC, datetime, timedelta
 
 import jwt
 from django.conf import settings
 
 
 def get_id_token(user):
-    now = datetime.utcnow()
+    now = datetime.now(UTC)
     return jwt.encode({
         'aud': settings.CLIENT_ID,
         'sub': user,
diff --git a/notesapi/v1/tests/test_views.py b/notesapi/v1/tests/test_views.py
index 750a61b9..8f7734dc 100644
--- a/notesapi/v1/tests/test_views.py
+++ b/notesapi/v1/tests/test_views.py
@@ -1,6 +1,6 @@
 import unittest
 from calendar import timegm
-from datetime import datetime, timedelta
+from datetime import UTC, datetime, timedelta
 from unittest.mock import patch
 from urllib import parse
 
@@ -1193,8 +1193,8 @@ class TokenTests(BaseAnnotationViewTests):
     token_data = {
         'aud': settings.CLIENT_ID,
         'sub': TEST_USER,
-        'iat': timegm(datetime.utcnow().utctimetuple()),
-        'exp': timegm((datetime.utcnow() + timedelta(seconds=300)).utctimetuple()),
+        'iat': timegm(datetime.now(UTC).utctimetuple()),
+        'exp': timegm((datetime.now(UTC) + timedelta(seconds=300)).utctimetuple()),
     }
 
     def _assert_403(self, token):
diff --git a/notesapi/v1/views/common.py b/notesapi/v1/views/common.py
index 944c82d5..e02ff047 100644
--- a/notesapi/v1/views/common.py
+++ b/notesapi/v1/views/common.py
@@ -1,4 +1,3 @@
-#  pylint:disable=possibly-used-before-assignment
 import json
 import logging
 
diff --git a/notesapi/v1/views/elasticsearch.py b/notesapi/v1/views/elasticsearch.py
index 32c7207c..354683f7 100644
--- a/notesapi/v1/views/elasticsearch.py
+++ b/notesapi/v1/views/elasticsearch.py
@@ -66,12 +66,11 @@ class AnnotationSearchView(BaseAnnotationSearchView):
     def __init__(self, *args, **kwargs):
         self.client = connections.get_connection(
             NoteDocument._get_using()
-        )  # pylint: disable=protected-access
-        self.index = NoteDocument._index._name  # pylint: disable=protected-access
+        )
+        self.index = NoteDocument._index._name
         self.mapping = (
             NoteDocument._doc_type.mapping.properties.name
-        )  # pylint: disable=protected-access
-        # pylint: disable=protected-access
+        )
         self.search = Search(
             using=self.client, index=self.index, doc_type=NoteDocument._doc_type.name
         )
diff --git a/notesserver/settings/common.py b/notesserver/settings/common.py
index 933f31cb..1efe9d72 100644
--- a/notesserver/settings/common.py
+++ b/notesserver/settings/common.py
@@ -158,8 +158,3 @@
 }
 
 CSRF_TRUSTED_ORIGINS = []
-
-# Django 4.0+ uses zoneinfo if this is not set. We can remove this and
-# migrate to zoneinfo after Django 4.2 upgrade. See more on following url
-# https://docs.djangoproject.com/en/4.2/releases/4.0/#zoneinfo-default-timezone-implementation
-USE_DEPRECATED_PYTZ = True
diff --git a/requirements/base.in b/requirements/base.in
index 8be8c0bc..1a0076d8 100644
--- a/requirements/base.in
+++ b/requirements/base.in
@@ -2,22 +2,21 @@
 -c constraints.txt
 
 Django
-requests
+django-cors-headers
+django-elasticsearch-dsl
+django-elasticsearch-dsl-drf
 djangorestframework
 drf-spectacular
+edx-django-release-util
+edx-django-utils
+edx-drf-extensions
 elasticsearch
 elasticsearch-dsl
-django-elasticsearch-dsl
-django-elasticsearch-dsl-drf
-django-cors-headers
+gunicorn     # MIT
 meilisearch
 mysqlclient
-PyJWT
-gunicorn     # MIT
 path.py
+PyJWT
 python-dateutil
-edx-django-release-util
-edx-django-utils
-edx-drf-extensions
-pytz
+requests
 setuptools
diff --git a/requirements/base.txt b/requirements/base.txt
index e5490ee6..c8fb6ecb 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -139,8 +139,6 @@ python-dateutil==2.9.0.post0
     # via
     #   -r requirements/base.in
     #   elasticsearch-dsl
-pytz==2025.2
-    # via -r requirements/base.in
 pyyaml==6.0.2
     # via
     #   drf-spectacular
diff --git a/requirements/pip.in b/requirements/pip.in
index 715478cd..b419ce6d 100644
--- a/requirements/pip.in
+++ b/requirements/pip.in
@@ -4,4 +4,3 @@
 pip
 setuptools
 wheel
-
diff --git a/requirements/quality.in b/requirements/quality.in
index e6451e75..55e5185a 100644
--- a/requirements/quality.in
+++ b/requirements/quality.in
@@ -4,6 +4,6 @@
 -r test.txt
 
 code-annotations
+edx_lint
 pycodestyle
 pylint
-edx_lint
diff --git a/requirements/quality.txt b/requirements/quality.txt
index bce41720..2f093d87 100644
--- a/requirements/quality.txt
+++ b/requirements/quality.txt
@@ -381,10 +381,6 @@ python-slugify==8.0.4
     # via
     #   -r requirements/test.txt
     #   code-annotations
-pytz==2025.2
-    # via
-    #   -r requirements/base.txt
-    #   -r requirements/test.txt
 pyyaml==6.0.2
     # via
     #   -r requirements/base.txt
diff --git a/requirements/test.in b/requirements/test.in
index c208272c..790cbb13 100644
--- a/requirements/test.in
+++ b/requirements/test.in
@@ -5,12 +5,12 @@
 astroid
 code-annotations
 coverage
+ddt
+diff-cover
+factory_boy
 more-itertools
 pep8
 pylint
-diff-cover
-factory_boy
-ddt
 pytest
 pytest-cov
 pytest-django
diff --git a/requirements/test.txt b/requirements/test.txt
index efe4e79f..fb52a0a1 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -272,8 +272,6 @@ python-dateutil==2.9.0.post0
     #   elasticsearch-dsl
 python-slugify==8.0.4
     # via code-annotations
-pytz==2025.2
-    # via -r requirements/base.txt
 pyyaml==6.0.2
     # via
     #   -r requirements/base.txt
diff --git a/tox.ini b/tox.ini
index 2c64d0f9..98f5939a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{311,312}-django{42}, quality, pii_check, check_keywords
+envlist = py{311,312}-django{42,52}, quality, pii_check, check_keywords
 skipsdist = true
 isolated_build = true  # Enable isolated build environments
 
@@ -7,6 +7,7 @@ isolated_build = true  # Enable isolated build environments
 envdir = {toxworkdir}/{envname}
 deps =
     django42: Django>=4.2,<5.0
+    django52: Django>=5.2,<6.0
 passenv =
     CONN_MAX_AGE
     DB_ENGINE