diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 42d0721..eb34f20 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.9', '3.12', 'pypy-3.10']
+        python-version: ['3.9', '3.13', 'pypy-3.10']
 
     steps:
       - name: Checkout
diff --git a/setup.cfg b/setup.cfg
index d5cd433..69cde3d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -14,6 +14,7 @@ classifiers =
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy