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/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