diff --git a/.github/workflows/package-tests.yml b/.github/workflows/package-tests.yml
index e427c19..0052b0b 100644
--- a/.github/workflows/package-tests.yml
+++ b/.github/workflows/package-tests.yml
@@ -30,12 +30,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', 'pypy-2.7', 'pypy-3.9']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13', 'pypy-2.7', 'pypy-3.9']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Test
diff --git a/setup.cfg b/setup.cfg
index 99f74e0..9e5bb48 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -35,6 +35,8 @@ classifiers =
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Programming Language :: Python :: Implementation
     Topic :: Software Development :: Libraries
     Topic :: Software Development :: Libraries :: Python Modules