diff --git a/.github/workflows/django.yml b/.github/workflows/django.yml
index b4d8019..9aad7ef 100644
--- a/.github/workflows/django.yml
+++ b/.github/workflows/django.yml
@@ -13,7 +13,8 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.10","3.11","3.12"]
+        python-version: ["3.10", "3.11","3.12"]
+        django-version: ["3.2.9","4.1","5.1"]
 
     steps:
     - uses: actions/checkout@v3
@@ -25,7 +26,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install setuptools
-        python -m pip install .
+        python -m pip install . "Django~=${{ matrix.django-version }}"
     - name: Run Tests
       run: |
         python ./example/manage.py test django_walletpass
diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index c6c5af9..14d0ec6 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -8,7 +8,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11","3.12"]
+        django-version: ["3.2.9","4.1","5.1"]
+
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
@@ -18,8 +20,9 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install pylint
         python -m pip install setuptools pylint
-        python -m pip install .
+        python -m pip install . "Django~=${{ matrix.django-version }}"
     - name: Analysing the code with pylint
       run: |
         pylint --rcfile=.pylintrc $(git ls-files '*.py')
diff --git a/README.md b/README.md
index 4adeb3b..c2ed835 100644
--- a/README.md
+++ b/README.md
@@ -112,9 +112,16 @@ WALLETPASS_CONF = {
     # Defaults to DEFAULT_FILE_STORAGE
     'STORAGE_CLASS': 'my.custom.storageclass,
     'UPLOAD_TO': 'passes'
+    'STORAGE_BACKEND': 's3storage'  # Dj4.2+ only
 }
 ```
 
+`STORAGE_BACKEND` is the key of the django settings `STORAGES` storage config. e.g
+
+```
+STORAGES['s3storage']['BACKEND'] = 'some.s3.backend.class'
+```
+
 ### Push notifications sandbox (optional)
 
 Default: False
diff --git a/django_walletpass/settings.py b/django_walletpass/settings.py
index a1fa0c5..1064ee7 100644
--- a/django_walletpass/settings.py
+++ b/django_walletpass/settings.py
@@ -1,5 +1,7 @@
 import os
 from collections import UserDict
+
+import django
 from django.conf import settings as django_settings
 from django.test.signals import setting_changed
 
@@ -11,6 +13,11 @@
 with open(os.path.join(FULL_BASE_DIR, 'certs', 'AppleWWDRCA.cer'), 'rb') as _ffile:
     wwdrca_content = _ffile.read()
 
+if django.VERSION < (4, 2):
+    STORAGE_CLASS = django_settings.DEFAULT_FILE_STORAGE
+else:
+    STORAGE_CLASS = django_settings.STORAGES["default"]["BACKEND"]
+
 DEFAULTS = {
     'PUSH_AUTH_STRATEGY': 'legacy',  # legacy or token
     'TOKEN_AUTH_KEY_PATH': None,
@@ -29,7 +36,8 @@
     'SERVICE_URL': None,
     'WALLETPASS_PUSH_CLASS': 'django_walletpass.services.PushBackend',
     'PUSH_SANDBOX': False,
-    'STORAGE_CLASS': django_settings.DEFAULT_FILE_STORAGE,
+    'STORAGE_BACKEND': None,  # DJ4.2+ only
+    'STORAGE_CLASS': STORAGE_CLASS,
     'STORAGE_HTTP_REDIRECT': False,
     'UPLOAD_TO': 'passes',
 }
@@ -49,6 +57,8 @@ def update_conf(self):
         if 'APPLE_WWDRCA_PEM_PATH' in new:
             with open(new['APPLE_WWDRCA_PEM_PATH'], 'rb') as ffile:
                 new['WWDRCA_PEM_CONTENT'] = ffile.read()
+        if 'STORAGE_BACKEND' in new:
+            new['STORAGE_CLASS'] = new.STORAGES[new.STORAGE_BACKEND]["BACKEND"]
 
         self.data.update(new)
 
diff --git a/django_walletpass/tests/main.py b/django_walletpass/tests/main.py
index 485065a..945498f 100644
--- a/django_walletpass/tests/main.py
+++ b/django_walletpass/tests/main.py
@@ -225,6 +225,6 @@ def test_create_log(self):
         created_log = Log.objects.first()
         self.assertIsNotNone(created_log)
         expected_timestamp = datetime.datetime.strptime(expected_timestamp_str, "%Y-%m-%d %I:%M:%S %p %z")
-        expected_utc_timestamp = expected_timestamp.astimezone(timezone.utc)
+        expected_utc_timestamp = expected_timestamp.astimezone(datetime.timezone.utc)
 
         self.assertEqual(created_log.created_at, expected_utc_timestamp)