diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 989dde09..26f0642d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.9, '3.10', 3.11, '3.12', 'pypy-3.9']
+        python-version: [3.9, '3.10', 3.11, '3.12', '3.13', 'pypy-3.9']
         exclude:
           # hangs
           - os: macos-latest