diff --git a/CHANGELOG b/CHANGELOG
index 81a48f0ee..8cefbe113 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -34,6 +34,7 @@ Users:
 - Added new matrix-interface for managing groups and their permissions.
 
 Other:
+- Django 1.10 is now supported. Dropped support for Django 1.8 and 1.9.
 - Removed config cache to support multiple threads or processes.
 - Fixed bug, that the last change of a config value was not send via autoupdate.
 - Added template hooks for plugins (in item detail view and motion poll form).
diff --git a/openslides/agenda/models.py b/openslides/agenda/models.py
index 23483d59e..8e1564187 100644
--- a/openslides/agenda/models.py
+++ b/openslides/agenda/models.py
@@ -1,11 +1,11 @@
 from collections import defaultdict
-from datetime import datetime
 
 from django.conf import settings
 from django.contrib.auth.models import AnonymousUser
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
 from django.db import models, transaction
+from django.utils import timezone
 from django.utils.translation import ugettext as _
 from django.utils.translation import ugettext_lazy
 
@@ -415,7 +415,7 @@ class Speaker(RESTModelMixin, models.Model):
         else:
             current_speaker.end_speech()
         self.weight = None
-        self.begin_time = datetime.now()
+        self.begin_time = timezone.now()
         self.save()
         if config['agenda_couple_countdown_and_speakers']:
             Countdown.control(action='reset')
@@ -425,7 +425,7 @@ class Speaker(RESTModelMixin, models.Model):
         """
         The speech is finished. Set the time to now.
         """
-        self.end_time = datetime.now()
+        self.end_time = timezone.now()
         self.save()
         if config['agenda_couple_countdown_and_speakers']:
             Countdown.control(action='stop')
diff --git a/openslides/core/views.py b/openslides/core/views.py
index 7669a5a02..aa5db8258 100644
--- a/openslides/core/views.py
+++ b/openslides/core/views.py
@@ -778,7 +778,7 @@ class MediaEncoder(utils_views.APIView):
         :return: dictionary with the string representation (content) and the name of the file
         for the pdfMake.vfs structure
         """
-        path = os.path.join(settings.SITE_ROOT, 'static/fonts', os.path.basename(file_path))
+        path = os.path.join(settings.MODULE_DIR, 'static', 'fonts', os.path.basename(file_path))
         try:
             with open(path, "rb") as file:
                 string_representation = "{}".format(base64.b64encode(file.read()).decode())
diff --git a/openslides/global_settings.py b/openslides/global_settings.py
index 4a85eecf2..3338817cb 100644
--- a/openslides/global_settings.py
+++ b/openslides/global_settings.py
@@ -2,16 +2,55 @@ import os
 
 from openslides.utils.plugins import collect_plugins
 
-SITE_ROOT = os.path.realpath(os.path.dirname(__file__))
+MODULE_DIR = os.path.realpath(os.path.dirname(os.path.abspath(__file__)))
 
-AUTH_USER_MODEL = 'users.User'
 
-AUTHENTICATION_BACKENDS = ('openslides.users.auth.CustomizedModelBackend',)
+# Application definition
 
-# Uses a db session backend, that saves the user_id directly in the db
-SESSION_ENGINE = 'openslides.core.session_backend'
+INSTALLED_APPS = [
+    'openslides.core',
+    'openslides.users',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.staticfiles',
+    'rest_framework',
+    'channels',
+    'openslides.agenda',
+    'openslides.motions',
+    'openslides.assignments',
+    'openslides.mediafiles',
+]
 
-SESSION_COOKIE_NAME = 'OpenSlidesSessionID'
+INSTALLED_PLUGINS = collect_plugins()  # Adds all automaticly collected plugins
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'openslides.urls'
+
+ALLOWED_HOSTS = ['*']
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/1.10/topics/i18n/
+
+LANGUAGE_CODE = 'en'
 
 LANGUAGES = (
     ('en', 'English'),
@@ -22,83 +61,44 @@ LANGUAGES = (
     ('cs', 'Český'),
 )
 
-# If you set this to False, Django will make some optimizations so as not
-# to load the internationalization machinery.
+TIME_ZONE = 'UTC'
+
 USE_I18N = True
 
-# If you set this to False, Django will not format dates, numbers and
-# calendars according to the current locale
 USE_L10N = True
 
-LOCALE_PATHS = (
-    os.path.join(SITE_ROOT, 'locale'),
-)
+USE_TZ = True
 
-# URL that handles the media served from MEDIA_ROOT. Make sure to use a
-# trailing slash if there is a path component (optional in other cases).
-# Examples: "http://media.lawrence.com", "http://example.com/media/"
-MEDIA_URL = '/media/'
+LOCALE_PATHS = [
+    os.path.join(MODULE_DIR, 'locale'),
+]
 
-# Absolute path to the directory that holds static media from ``collectstatic``
-# Example: "/home/media/static.lawrence.com/"
-STATIC_ROOT = os.path.join(SITE_ROOT, '../collected-site-static')
 
-# URL that handles the media served from STATIC_ROOT. Make sure to use a
-# trailing slash if there is a path component (optional in other cases).
-# Examples: "http://static.lawrence.com", "http://example.com/static/"
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.10/howto/static-files/
+
 STATIC_URL = '/static/'
 
-STATICFILES_FINDERS = (
-    'django.contrib.staticfiles.finders.FileSystemFinder',
-    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
-)
+STATIC_ROOT = os.path.join(MODULE_DIR, '..', 'collected-static')
 
 STATICFILES_DIRS = [
-    os.path.join(SITE_ROOT, 'static')]
-
-MIDDLEWARE_CLASSES = (
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.locale.LocaleMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'openslides.users.auth.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-)
-
-ROOT_URLCONF = 'openslides.urls'
-
-INSTALLED_APPS = (
-    'openslides.core',
-    'openslides.users',
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'django.contrib.humanize',
-    'rest_framework',
-    'channels',
-    'openslides.poll',  # TODO: try to remove this line
-    'openslides.agenda',
-    'openslides.motions',
-    'openslides.assignments',
-    'openslides.mediafiles',
-)
+    os.path.join(MODULE_DIR, 'static'),
+]
 
 
-CACHES = {
-    'default': {
-        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
-        'LOCATION': 'openslidecache'
-    }
-}
+# Sessions and user authentication
+# https://docs.djangoproject.com/en/1.10/topics/http/sessions/
+# https://docs.djangoproject.com/en/1.10/topics/auth/
 
-# Hosts/domain names that are valid for this site; required if DEBUG is False
-# See https://docs.djangoproject.com/en/1.5/ref/settings/#allowed-hosts
-ALLOWED_HOSTS = ['*']
+AUTH_USER_MODEL = 'users.User'
 
-# Adds all automaticly collected plugins
-INSTALLED_PLUGINS = collect_plugins()
+AUTHENTICATION_BACKENDS = [
+    'openslides.users.auth.CustomizedModelBackend',
+]
+
+SESSION_ENGINE = 'openslides.core.session_backend'
+
+SESSION_COOKIE_NAME = 'OpenSlidesSessionID'
 
 PASSWORD_HASHERS = [
     'django.contrib.auth.hashers.PBKDF2PasswordHasher',
@@ -106,12 +106,30 @@ PASSWORD_HASHERS = [
     'django.contrib.auth.hashers.Argon2PasswordHasher',
     'django.contrib.auth.hashers.BCryptSHA256PasswordHasher',
     'django.contrib.auth.hashers.BCryptPasswordHasher',
-    'django.contrib.auth.hashers.MD5PasswordHasher',  # MD5 is only used for inital passwords.
+    'django.contrib.auth.hashers.MD5PasswordHasher',  # MD5 is only used for initial passwords.
 ]
 
-TEST_RUNNER = 'openslides.utils.test.OpenSlidesDiscoverRunner'
 
-# Config for the REST Framework
+# Files
+# https://docs.djangoproject.com/en/1.10/topics/files/
+
+MEDIA_URL = '/media/'
+
+
+# Cache
+# https://docs.djangoproject.com/en/1.10/topics/cache/
+
+CACHES = {
+    'default': {
+        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
+        'LOCATION': 'openslides-cache'
+    }
+}
+
+
+# Django REST framework
+# http://www.django-rest-framework.org/api-guide/settings/
+
 REST_FRAMEWORK = {
     'DEFAULT_AUTHENTICATION_CLASSES': (
         'rest_framework.authentication.SessionAuthentication',
@@ -119,7 +137,10 @@ REST_FRAMEWORK = {
     )
 }
 
-# Config for channels
+
+# Django Channels
+# http://channels.readthedocs.io/en/latest/
+
 CHANNEL_LAYERS = {
     'default': {
         'BACKEND': 'asgiref.inmemory.ChannelLayer',
diff --git a/openslides/utils/pdf.py b/openslides/utils/pdf.py
index 8bb030e1a..921f31002 100644
--- a/openslides/utils/pdf.py
+++ b/openslides/utils/pdf.py
@@ -15,13 +15,13 @@ from openslides.core.config import config
 
 # register new truetype fonts
 pdfmetrics.registerFont(TTFont(
-    'Ubuntu', path_join(settings.SITE_ROOT, 'core/static/fonts/Ubuntu-R.ttf')))
+    'Ubuntu', path_join(settings.MODULE_DIR, 'core', 'static', 'fonts', 'Ubuntu-R.ttf')))
 pdfmetrics.registerFont(TTFont(
-    'Ubuntu-Bold', path_join(settings.SITE_ROOT, 'core/static/fonts/Ubuntu-B.ttf')))
+    'Ubuntu-Bold', path_join(settings.MODULE_DIR, 'core', 'static', 'fonts', 'Ubuntu-B.ttf')))
 pdfmetrics.registerFont(TTFont(
-    'Ubuntu-Italic', path_join(settings.SITE_ROOT, 'core/static/fonts/Ubuntu-RI.ttf')))
+    'Ubuntu-Italic', path_join(settings.MODULE_DIR, 'core', 'static', 'fonts', 'Ubuntu-RI.ttf')))
 pdfmetrics.registerFont(TTFont(
-    'circlefont', path_join(settings.SITE_ROOT, 'core/static/fonts/circle.ttf')))
+    'circlefont', path_join(settings.MODULE_DIR, 'core', 'static', 'fonts', 'circle.ttf')))
 
 pdfmetrics.registerFontFamily('Ubuntu', normal='Ubuntu', bold='Ubuntu-Bold', italic='Ubuntu-Italic')
 
diff --git a/openslides/utils/settings.py.tpl b/openslides/utils/settings.py.tpl
index 80e7d9f2d..eb8da2300 100644
--- a/openslides/utils/settings.py.tpl
+++ b/openslides/utils/settings.py.tpl
@@ -1,11 +1,11 @@
 """
-Settings file for OpenSlides
+Settings file for OpenSlides.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.9/topics/settings/
+https://docs.djangoproject.com/en/1.10/topics/settings/
 
 For the full list of settings and their values, see
-https://docs.djangoproject.com/en/1.9/ref/settings/
+https://docs.djangoproject.com/en/1.10/ref/settings/
 """
 
 import os
@@ -17,18 +17,8 @@ from openslides.global_settings import *
 OPENSLIDES_USER_DATA_PATH = %(openslides_user_data_path)s
 
 
-# SECURITY WARNING: Keep the secret key used in production secret!
-
-SECRET_KEY = %(secret_key)r
-
-
-# Use 'DEBUG = True' to get more details for server errors.
-# SECURITY WARNING: Don't run with debug turned on in production!
-
-DEBUG = %(debug)s
-
-
 # OpenSlides plugins
+
 # Add plugins to this list (see example entry in comment).
 
 INSTALLED_PLUGINS += (
@@ -38,26 +28,44 @@ INSTALLED_PLUGINS += (
 INSTALLED_APPS += INSTALLED_PLUGINS
 
 
+# Important settings for production use
+# https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
+
+# SECURITY WARNING: Keep the secret key used in production secret!
+
+SECRET_KEY = %(secret_key)r
+
+# Use 'DEBUG = True' to get more details for server errors.
+# SECURITY WARNING: Don't run with debug turned on in production!
+
+DEBUG = %(debug)s
+
+
 # Database
-# Change this to use MySQL or PostgreSQL.
-# See https://docs.djangoproject.com/en/1.9/ref/settings/#databases
+# https://docs.djangoproject.com/en/1.10/ref/settings/#databases
+
+# Change this setting to use e. g. PostgreSQL or MySQL.
 
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(OPENSLIDES_USER_DATA_PATH, 'database.sqlite')
+        'NAME': os.path.join(OPENSLIDES_USER_DATA_PATH, 'db.sqlite3'),
     }
 }
 
 
-# Big Mode
-# Uncomment the following lines to activate redis as channel and cache backend.
-# You have to install a redis server and the python packages asgi_redis and
-# django-redis for this to work.
-# See https://channels.readthedocs.io/en/latest/backends.html#redis
-#     https://niwinz.github.io/django-redis/latest/#_user_guide
+# Django Channels
+
+# Unless you have only a small assembly uncomment the following lines to
+# activate Redis as backend for Django Channels and Cache. You have to install
+# a Redis server and the python packages asgi_redis and django-redis.
+
+# https://channels.readthedocs.io/en/latest/backends.html#redis
 
 # CHANNEL_LAYERS['default']['BACKEND'] = 'asgi_redis.RedisChannelLayer'
+
+# https://niwinz.github.io/django-redis/latest/#_user_guide
+
 # CACHES = {
 #     "default": {
 #         "BACKEND": "django_redis.cache.RedisCache",
@@ -69,16 +77,25 @@ DATABASES = {
 # }
 
 
-# Some other settings
+# Internationalization
+# https://docs.djangoproject.com/en/1.10/topics/i18n/
 
 TIME_ZONE = 'Europe/Berlin'
 
-MEDIA_ROOT = os.path.join(OPENSLIDES_USER_DATA_PATH, 'media', '')
 
-TEMPLATE_DIRS = (
-    os.path.join(OPENSLIDES_USER_DATA_PATH, 'templates'),
-)
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.10/howto/static-files/
 
 STATICFILES_DIRS = [os.path.join(OPENSLIDES_USER_DATA_PATH, 'static')] + STATICFILES_DIRS
 
+
+# Files
+# https://docs.djangoproject.com/en/1.10/topics/files/
+
+MEDIA_ROOT = os.path.join(OPENSLIDES_USER_DATA_PATH, 'media', '')
+
+
+# Whoosh search library
+# https://whoosh.readthedocs.io/en/latest/
+
 SEARCH_INDEX = os.path.join(OPENSLIDES_USER_DATA_PATH, 'search_index')
diff --git a/requirements_production.txt b/requirements_production.txt
index f81f60541..61b992e0a 100644
--- a/requirements_production.txt
+++ b/requirements_production.txt
@@ -1,5 +1,5 @@
 # Requirements for OpenSlides in production in alphabetical order
-Django>=1.9,<1.11,!=1.10.0
+Django>=1.10.1,<1.11
 beautifulsoup4>=4.5,<4.6
 channels>=0.15,<1.0
 djangorestframework>=3.4,<3.5
diff --git a/tests/integration/motions/test_viewset.py b/tests/integration/motions/test_viewset.py
index a1fac3d5f..46d459d9b 100644
--- a/tests/integration/motions/test_viewset.py
+++ b/tests/integration/motions/test_viewset.py
@@ -149,7 +149,7 @@ class RetrieveMotion(TestCase):
         self.motion.create_poll()
 
     def test_number_of_queries(self):
-        with self.assertNumQueries(17):
+        with self.assertNumQueries(16):
             self.client.get(reverse('motion-detail', args=[self.motion.pk]))
 
 
diff --git a/tests/old/settings.py b/tests/old/settings.py
index e50cb34cc..73aab0e76 100644
--- a/tests/old/settings.py
+++ b/tests/old/settings.py
@@ -1,19 +1,19 @@
 """
-Settings file for OpenSlides' tests
+Settings file for OpenSlides' tests.
 """
 
 import os
 
 from openslides.global_settings import *  # noqa
 
+
 # Path to the directory for user specific data files
-OPENSLIDES_USER_DATA_PATH = os.path.realpath(os.path.dirname(__file__))
 
+OPENSLIDES_USER_DATA_PATH = os.path.realpath(os.path.dirname(os.path.abspath(__file__)))
 
-# SECURITY WARNING: Keep the secret key used in production secret!
-SECRET_KEY = 'secret'
 
 # OpenSlides plugins
+
 # Add plugins to this list.
 
 INSTALLED_PLUGINS += (  # noqa
@@ -23,9 +23,18 @@ INSTALLED_PLUGINS += (  # noqa
 INSTALLED_APPS += INSTALLED_PLUGINS  # noqa
 
 
+# Important settings for production use
+# https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
+
+SECRET_KEY = 'secret'
+
+DEBUG = False
+
+
 # Database
-# Change this to use MySQL or PostgreSQL.
-# See https://docs.djangoproject.com/en/1.7/ref/settings/#databases
+# https://docs.djangoproject.com/en/1.10/ref/settings/#databases
+
+# Change this setting to use e. g. PostgreSQL or MySQL.
 
 DATABASES = {
     'default': {
@@ -34,20 +43,36 @@ DATABASES = {
 }
 
 
-# Some other settings
+# Internationalization
+# https://docs.djangoproject.com/en/1.10/topics/i18n/
 
 TIME_ZONE = 'Europe/Berlin'
 
-MEDIA_ROOT = os.path.join(OPENSLIDES_USER_DATA_PATH, '')
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.10/howto/static-files/
 
 STATICFILES_DIRS.insert(0, os.path.join(OPENSLIDES_USER_DATA_PATH, 'static'))  # noqa
 
+
+# Files
+# https://docs.djangoproject.com/en/1.10/topics/files/
+
+MEDIA_ROOT = os.path.join(OPENSLIDES_USER_DATA_PATH, '')
+
+
+# Whoosh search library
+# https://whoosh.readthedocs.io/en/latest/
+
 SEARCH_INDEX = 'ram'
 
 
-# Special test settings
+# Special settings only for testing
+
+TEST_RUNNER = 'openslides.utils.test.OpenSlidesDiscoverRunner'
+
 # Use a faster password hasher.
 
-PASSWORD_HASHERS = (
+PASSWORD_HASHERS = [
     'django.contrib.auth.hashers.MD5PasswordHasher',
-)
+]
diff --git a/tests/settings.py b/tests/settings.py
index aad6b237b..9454ca91d 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -1,19 +1,19 @@
 """
-Settings file for OpenSlides' tests
+Settings file for OpenSlides' tests.
 """
 
 import os
 
 from openslides.global_settings import *  # noqa
 
+
 # Path to the directory for user specific data files
-OPENSLIDES_USER_DATA_PATH = os.path.realpath(os.path.dirname(__file__))
 
+OPENSLIDES_USER_DATA_PATH = os.path.realpath(os.path.dirname(os.path.abspath(__file__)))
 
-# SECURITY WARNING: Keep the secret key used in production secret!
-SECRET_KEY = 'secret'
 
 # OpenSlides plugins
+
 # Add plugins to this list.
 
 INSTALLED_PLUGINS += (  # noqa
@@ -23,9 +23,18 @@ INSTALLED_PLUGINS += (  # noqa
 INSTALLED_APPS += INSTALLED_PLUGINS  # noqa
 
 
+# Important settings for production use
+# https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
+
+SECRET_KEY = 'secret'
+
+DEBUG = False
+
+
 # Database
-# Change this to use MySQL or PostgreSQL.
-# See https://docs.djangoproject.com/en/1.7/ref/settings/#databases
+# https://docs.djangoproject.com/en/1.10/ref/settings/#databases
+
+# Change this setting to use e. g. PostgreSQL or MySQL.
 
 DATABASES = {
     'default': {
@@ -34,20 +43,36 @@ DATABASES = {
 }
 
 
-# Some other settings
+# Internationalization
+# https://docs.djangoproject.com/en/1.10/topics/i18n/
 
 TIME_ZONE = 'Europe/Berlin'
 
-MEDIA_ROOT = os.path.join(OPENSLIDES_USER_DATA_PATH, '')
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.10/howto/static-files/
 
 STATICFILES_DIRS.insert(0, os.path.join(OPENSLIDES_USER_DATA_PATH, 'static'))  # noqa
 
+
+# Files
+# https://docs.djangoproject.com/en/1.10/topics/files/
+
+MEDIA_ROOT = os.path.join(OPENSLIDES_USER_DATA_PATH, '')
+
+
+# Whoosh search library
+# https://whoosh.readthedocs.io/en/latest/
+
 SEARCH_INDEX = 'ram'
 
 
-# Special test settings
+# Special settings only for testing
+
+TEST_RUNNER = 'openslides.utils.test.OpenSlidesDiscoverRunner'
+
 # Use a faster password hasher.
 
-PASSWORD_HASHERS = (
+PASSWORD_HASHERS = [
     'django.contrib.auth.hashers.MD5PasswordHasher',
-)
+]