diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index 479a7af..a51bf20 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         platform: [ubuntu-latest, macos-latest, windows-latest]
-        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']
 
     steps:
 
diff --git a/pyproject.toml b/pyproject.toml
index f7fd73e..0e0af9d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -82,6 +82,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Education :: Testing",
     "Topic :: Software Development :: Build Tools",
     "Topic :: System :: Filesystems",
diff --git a/tox.ini b/tox.ini
index 09cc7ca..7919e6d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{38,39,310,311,312},
+    py{38,39,310,311,312,313},
 
 [testenv]
 basepython =
@@ -9,6 +9,7 @@ basepython =
     py310: python3.10
     py311: python3.11
     py312: python3.12
+    py313: python3.13
 
 passenv = CI,GITHUB_WORKFLOW