diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 950d6c2..a462216 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,6 +39,7 @@ jobs:
           - '3.10'
           - '3.11'
           - '3.12'
+          - '3.13'
           - 'pypy-3.7'
           - 'pypy-3.8'
           - 'pypy-3.9'
diff --git a/setup.cfg b/setup.cfg
index e191511..9d16b62 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,6 +16,7 @@ classifiers =
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
     Topic :: Software Development :: Libraries :: Python Modules
@@ -83,7 +84,7 @@ exclude =
     versioneer.py
 
 [tox:tox]
-envlist = py37, py38, py39, py310, py311, py312, pypy3
+envlist = py37, py38, py39, py310, py311, py312, py313, pypy3
 
 [testenv]
 deps =