diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b190c08..5fb5ece 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,6 +31,10 @@ jobs:
             toxfactor: py312
             ignore-typecheck-outcome: true
             ignore-test-outcome: false
+          - python-version: "3.13-dev"
+            toxfactor: py313
+            ignore-typecheck-outcome: true
+            ignore-test-outcome: true
 
     steps:
     - uses: actions/checkout@v3
diff --git a/tox.ini b/tox.ini
index d1184ac..ea95040 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 distshare = {homedir}/.tox/distshare
-envlist = py{38,39,310,311,312}-pytest{62,70,71,72,73,74,latest}-coverage
+envlist = py{38,39,310,311,312,313}-pytest{62,70,71,72,73,74,latest}-coverage
           py311-pytestlatest-xdist-coverage
           mypy