diff --git a/pyproject.toml b/pyproject.toml
index 019ea01..e44e27f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,6 +33,7 @@ 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 :: Quality Assurance",
diff --git a/tox.ini b/tox.ini
index 032f74a..77144a6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{3.8, 3.9, 3.10, 3.11, 3.12, py3.10}, linting
+envlist = py{3.8, 3.9, 3.10, 3.11, 3.12, 3.13, py3.10}, linting
 isolated_build = True
 
 [testenv]