diff --git a/.gitignore b/.gitignore
index be5101843..a3d55c97d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,7 @@ debug/*
 # Unit test and coverage reports
 .coverage
 tests/file/*
+tests/db.sqlite3.test
 .pytest_cache
 
 # Plugin development
diff --git a/.travis.yml b/.travis.yml
index e85b67eb0..2432d19ca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -98,6 +98,17 @@ matrix:
         - mypy openslides/ tests/
         - pytest --cov --cov-fail-under=73
 
+    - name: "Server: Tests Python 3.8"
+      language: python
+      python:
+        - "3.8"
+      script:
+        - flake8 openslides tests
+        - isort --check-only --diff --recursive openslides tests
+        - black --check --diff --target-version py36 openslides tests
+        - mypy openslides/ tests/
+        - pytest --cov --cov-fail-under=73
+
     - name: "Client: Linting"
       language: node_js
       node_js: "10.9"
diff --git a/manage.py b/manage.py
index 27d6ee2d0..93e992d35 100755
--- a/manage.py
+++ b/manage.py
@@ -7,5 +7,5 @@ from openslides.__main__ import main
 
 if __name__ == "__main__":
     if len(sys.argv) == 1:
-        sys.argv.append('--help')
+        sys.argv.append("--help")
     exit(main())
diff --git a/requirements/big_mode.txt b/requirements/big_mode.txt
index 4b89a3b1f..65dab43c4 100644
--- a/requirements/big_mode.txt
+++ b/requirements/big_mode.txt
@@ -1,5 +1,5 @@
 # Requirements for Redis and PostgreSQL support
-channels-redis>=2.2,<2.4
+channels-redis>=2.2,<2.5
 django-redis-sessions>=0.6.1,<0.7
 psycopg2-binary>=2.7.3.2,<2.9
 aioredis>=1.1.0,<1.3
diff --git a/requirements/production.txt b/requirements/production.txt
index 76231f0d9..365f7194d 100644
--- a/requirements/production.txt
+++ b/requirements/production.txt
@@ -3,8 +3,8 @@ autobahn==19.5.1
 
 # Requirements for OpenSlides in production in alphabetical order
 bleach>=1.5.0,<3.2
-channels>=2.1.2,<2.2
-daphne>=2.2,<2.3
+channels>=2.1.2,<2.4
+daphne>=2.2,<2.5
 Django>=2.1,<2.3
 djangorestframework>=3.9.4,<3.10
 jsonfield2>=3.0,<3.1
diff --git a/setup.py b/setup.py
index cfc8b6074..49695fc1a 100644
--- a/setup.py
+++ b/setup.py
@@ -8,38 +8,39 @@ from openslides import __version__ as openslides_version
 from openslides import __license__ as openslides_license
 from openslides import __url__ as openslides_url
 
-with open('README.rst') as readme:
+with open("README.rst") as readme:
     long_description = readme.read()
 
-with open('requirements/production.txt') as requirements_production:
+with open("requirements/production.txt") as requirements_production:
     install_requires = requirements_production.readlines()
 
-with open('requirements/big_mode.txt') as requirements_big_mode:
+with open("requirements/big_mode.txt") as requirements_big_mode:
     extras_requires = requirements_big_mode.readlines()
 
 setup(
-    name='openslides',
+    name="openslides",
     author=openslides_author,
-    author_email='support@openslides.com',
+    author_email="support@openslides.com",
     description=openslides_description,
     license=openslides_license,
     long_description=long_description,
     url=openslides_url,
     version=openslides_version,
-
     classifiers=[
         # http://pypi.python.org/pypi?%3Aaction=list_classifiers
         # 'Development Status :: 3 - Alpha',
-        'Development Status :: 4 - Beta',
+        "Development Status :: 4 - Beta",
         # 'Development Status :: 5 - Production/Stable',
-        'Environment :: Web Environment',
-        'Framework :: Django',
-        'License :: OSI Approved :: MIT License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7', ],
-    packages=find_packages(exclude=['tests', 'tests.*']),
+        "Environment :: Web Environment",
+        "Framework :: Django",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+    ],
+    packages=find_packages(exclude=["tests", "tests.*"]),
     include_package_data=True,
     install_requires=install_requires,
-    extras_require={'big_mode': extras_requires},
-    entry_points={'console_scripts': ['openslides = openslides.__main__:main']})
+    extras_require={"big_mode": extras_requires},
+    entry_points={"console_scripts": ["openslides = openslides.__main__:main"]},
+)
diff --git a/tests/settings.py b/tests/settings.py
index c37f2a677..c8355d661 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -38,7 +38,12 @@ DEBUG = False
 
 # Change this setting to use e. g. PostgreSQL or MySQL.
 
-DATABASES = {"default": {"ENGINE": "django.db.backends.sqlite3"}}
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "TEST": {"NAME": os.path.join(OPENSLIDES_USER_DATA_PATH, "db.sqlite3.test")},
+    }
+}
 
 SESSION_ENGINE = "django.contrib.sessions.backends.cache"