diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 648a56b..40022b2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,7 +53,7 @@ jobs:
   test:
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13.0-rc.1"]
         include:
           - cache-key-suffix: "-main-dev"
 
diff --git a/pyproject.toml b/pyproject.toml
index 12f31f6..3dde3b6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -172,7 +172,7 @@ filterwarnings = [
 [tool.tox]
 legacy_tox_ini = """
 [tox]
-envlist = py38,py39,py310,py310-minimum-requirements,py311,py312
+envlist = py38,py39,py310,py310-minimum-requirements,py311,py312,py313
 skipsdist = True
 
 [gh-actions]
@@ -182,6 +182,7 @@ python =
   3.10: py310
   3.11: py311
   3.12: py312
+  3.13: py313
 
 [testenv]
 allowlist_externals = poetry