diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0389d7ad..4bc23724 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,6 +25,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - {name: '3.13', python: '3.13-dev', os: ubuntu-latest, tox: py313}
           - {name: '3.12', python: '3.12', os: ubuntu-latest, tox: py312}
           - {name: '3.11', python: '3.11', os: ubuntu-latest, tox: py311}
           - {name: '3.10', python: '3.10', os: ubuntu-latest, tox: py310}
diff --git a/setup.py b/setup.py
index 33f61114..440a7652 100644
--- a/setup.py
+++ b/setup.py
@@ -76,6 +76,7 @@ setup(
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
     ],
     keywords="api graphql protocol rest relay graphene",
     packages=find_packages(exclude=["examples*"]),
diff --git a/tox.ini b/tox.ini
index 767f957c..fdec66d0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py3{8,9,10,11,12}, mypy, pre-commit
+envlist = py3{8,9,10,11,12,13}, mypy, pre-commit
 skipsdist = true
 
 [testenv]
@@ -8,7 +8,7 @@ deps =
 setenv =
      PYTHONPATH = .:{envdir}
 commands =
-    py{38,39,310,311,12}: pytest --cov=graphene graphene --cov-report=term --cov-report=xml examples {posargs}
+    py{38,39,310,311,12,13}: pytest --cov=graphene graphene --cov-report=term --cov-report=xml examples {posargs}
 
 [testenv:pre-commit]
 basepython = python3.10