diff --git a/CHANGES.md b/CHANGES.md
index aa67c191..4230b336 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,9 +1,10 @@
-0.8.11.5 (WIP)
+0.8.11.5
 --------
  - Fix crispy-forms issue with SummernoteInplaceWidget (@wuuuduu)
  - Security fixes and CustomUserPassesTestMixin in SummernoteUploadAttachment view (@wuuuduu)
  - Update Travis / Tox settings for the latest Django and Python versions (@lqez)
-
+ - Add test targets for Django 3.0+ (@lqez)
+ - Replace test runer with pytest (@lqez)
 
 Archived
 --------
diff --git a/README.md b/README.md
index 622f74f7..4bce363c 100644
--- a/README.md
+++ b/README.md
@@ -42,21 +42,26 @@ SETUP
 
 4. Be sure to set proper `MEDIA_URL` for attachments.
      - The following is an example test code:
-     
+
            MEDIA_URL = '/media/'
            MEDIA_ROOT = os.path.join(BASE_DIR, 'media/')
-    
+
      - When debug option is enabled(```DEBUG=True```), DO NOT forget to add urlpatterns as shown below:
-     
+
            from django.conf import settings
            from django.conf.urls.static import static
-            
+
            if settings.DEBUG:
                urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
-            
+
      - Please, read the official document more in detail: <https://docs.djangoproject.com/en/1.11/topics/files/>
 
-5. Run database migration for preparing attachment model.
+5. If you're using Django 3.x with default SummernoteWidget, then
+
+     - Do not forget to set `X_FRAME_OPTIONS = 'SAMEORIGIN'` in your django settings.
+     - [Clickjacking Protection](https://docs.djangoproject.com/en/3.0/ref/clickjacking/)
+
+6. Run database migration for preparing attachment model.
 
        python manage.py migrate
 
@@ -201,7 +206,7 @@ SUMMERNOTE_CONFIG = {
 
     # You can disable attachment feature.
     'disable_attachment': False,
-    
+
     # Set `True` to return attachment paths in absolute URIs.
     'attachment_absolute_uri': False,
 
@@ -268,13 +273,24 @@ class SomeForm(forms.Form):
     foo = forms.CharField(widget=SummernoteWidget(attrs={'data-user-id': 123456, 'data-device': 'iphone'}))
 ```
 
+TEST
+----
+
+Run `tox`. If you don't have it, just `pip install tox`
+
+You can also run test with only specified targets.
+```
+$ tox -e py27-dj111, py38-dj301
+```
+
+
 LIMITATIONS
 -----------
 
 `django-summernote` does currently not support upload of non-image files.
 
+
 LICENSE
 -------
 
 `django-summernote` is distributed under MIT license and proudly served by great contributors.
-
diff --git a/django_summernote/__init__.py b/django_summernote/__init__.py
index 1b7170e2..e522b97b 100644
--- a/django_summernote/__init__.py
+++ b/django_summernote/__init__.py
@@ -1,4 +1,4 @@
-version_info = (0, 8, 11, 4)
+version_info = (0, 8, 11, 5)
 
 __version__ = version = '.'.join(map(str, version_info))
 __project__ = PROJECT = 'django-summernote'
diff --git a/django_summernote/tests.py b/django_summernote/test_django_summernote.py
similarity index 99%
rename from django_summernote/tests.py
rename to django_summernote/test_django_summernote.py
index 5ccf4b5d..040f1ca0 100644
--- a/django_summernote/tests.py
+++ b/django_summernote/test_django_summernote.py
@@ -17,7 +17,13 @@
 
 from django.test import TestCase, Client, override_settings
 from django_summernote.utils import get_attachment_storage, get_attachment_model
-from imp import reload
+import sys
+
+if sys.version_info >= (3, 4):
+    from importlib import reload
+else:
+    from imp import reload
+
 import json
 import os
 
diff --git a/django_summernote/test_settings.py b/django_summernote/test_settings.py
index d8556a7d..e17473ce 100644
--- a/django_summernote/test_settings.py
+++ b/django_summernote/test_settings.py
@@ -52,3 +52,6 @@
         },
     },
 ]
+
+if django.VERSION >= (3, 0):
+    X_FRAME_OPTIONS = 'SAMEORIGIN'
diff --git a/django_summernote/views.py b/django_summernote/views.py
index 13d48182..2cf17239 100644
--- a/django_summernote/views.py
+++ b/django_summernote/views.py
@@ -4,7 +4,10 @@
 from django.templatetags.static import static
 from django.http import HttpResponse, JsonResponse
 from django.template.loader import render_to_string
-from django.utils.translation import ugettext as _
+if django_version >= (3, 0):
+    from django.utils.translation import gettext as _
+else:
+    from django.utils.translation import ugettext as _
 from django.views.generic import TemplateView
 
 from django_summernote.forms import UploadForm
@@ -70,9 +73,7 @@ def get(self, request, *args, **kwargs):
 
     @using_config
     def post(self, request, *args, **kwargs):
-        authenticated = \
-            request.user.is_authenticated if django_version >= (1, 10) \
-                else request.user.is_authenticated()
+        authenticated = request.user.is_authenticated
 
         if config['disable_attachment']:
             logger.error(
diff --git a/djs_playground/settings.py b/djs_playground/settings.py
index d740d6f5..4fd581f7 100644
--- a/djs_playground/settings.py
+++ b/djs_playground/settings.py
@@ -153,3 +153,6 @@
     },
     'lazy': False,
 }
+
+# From Django 3.0, this setting is necessary for iframe
+X_FRAME_OPTIONS = 'SAMEORIGIN'
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 00000000..9473e566
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,2 @@
+[pytest]
+DJANGO_SETTINGS_MODULE=django_summernote.test_settings
diff --git a/runtests.py b/runtests.py
deleted file mode 100644
index 01881004..00000000
--- a/runtests.py
+++ /dev/null
@@ -1,20 +0,0 @@
-import os
-import sys
-os.environ['DJANGO_SETTINGS_MODULE'] = 'django_summernote.test_settings'
-test_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-sys.path.insert(0, test_dir)
-
-import django
-from django.conf import settings
-from django.test.utils import get_runner
-
-django.setup()
-
-def runtests():
-    TestRunner = get_runner(settings)
-    test_runner = TestRunner(verbosity=1, interactive=True)
-    failures = test_runner.run_tests(['django_summernote'])
-    sys.exit(bool(failures))
-
-if __name__ == '__main__':
-    runtests()
diff --git a/setup.py b/setup.py
index b0aa7f34..301329d1 100644
--- a/setup.py
+++ b/setup.py
@@ -25,11 +25,6 @@
     'Topic :: Utilities',
 ]
 
-TESTS_REQUIRE = ['django-dummy-plug']
-# mock is available as unittest.mock in Python 3.3 onwards.
-if sys.version_info < (3, 3, 0):
-    TESTS_REQUIRE += ['mock']
-
 setup(
     name=PROJECT,
     version=version,
@@ -45,6 +40,4 @@
     classifiers=CLASSIFIERS,
 
     install_requires=['django'],
-    test_suite='runtests.runtests',
-    tests_require=TESTS_REQUIRE,
 )
diff --git a/tox.ini b/tox.ini
index f4aa6880..70387deb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ envlist =
     {py27}-{dj111},
     {py34}-{dj111,dj201},
     {py35}-{dj111,dj200,dj201,dj202}
-    {py36,py37,py38}-{dj111,dj200,dj201,dj202,djmaster}
+    {py36,py37,py38}-{dj111,dj200,dj201,dj202,dj300,dj301,djmaster}
 
 [travis]
 python =
@@ -24,11 +24,18 @@ basepython =
     py38: python3.8
 
 deps =
+    pytest
+    pytest-django
     coverage
+    django-dummy-plug
+
+    py27: mock
     dj111: Django<1.12
     dj200: Django<2.1
     dj201: Django<2.2
     dj202: Django<2.3
+    dj300: Django<3.1
+    dj301: Django<3.2
     djmaster: https://github.com/django/django/archive/master.tar.gz
 
-commands = coverage run -a setup.py test
+commands = coverage run -m pytest