diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3e6b1732..c9d61524 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,7 +20,7 @@ jobs:
           - { python: "3.13", os: "ubuntu-latest", session: "tests" }
           # - { python: "3.11", os: "windows-latest", session: "tests" }
           - { python: "3.9", os: "macos-13", session: "tests" }
-          - { python: "3.13", os: "macos-latest", session: "tests" }
+          - { python: "3.12", os: "macos-latest", session: "tests" }
           - { python: "3.9", os: "ubuntu-latest", session: "size" }
 
     env: