diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 70182f0..5f50a1f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        branch: ["origin/main", "3.12", "3.11", "3.10"]
+        branch: ["origin/main", "3.13", "3.12", "3.11", "3.10"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5