diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 06ad2e1..2422278 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,6 +20,7 @@ jobs:
           - "3.10"
           - "3.11"
           - "3.12"
+          - "3.13"
     services:
       redis:
         image: redis
diff --git a/README.rst b/README.rst
index 07bc2b0..33dcc13 100644
--- a/README.rst
+++ b/README.rst
@@ -19,7 +19,7 @@ There are two available implementations:
 
 Both layers support a single-server and sharded configurations.
 
-`channels_redis` is tested against Python 3.8 to 3.12, `redis-py` versions 4.6,
+`channels_redis` is tested against Python 3.8 to 3.13, `redis-py` versions 4.6,
 5.0, and the development branch, and Channels versions 3, 4 and the development
 branch there.
 
diff --git a/tox.ini b/tox.ini
index d7486f2..7417992 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{38,39,310,311,312}-ch{30,40,main}-redis50
+    py{38,39,310,311,312,313}-ch{30,40,main}-redis50
     py311-chmain-redis{45,46,50,main}
     qa