diff --git a/.github/workflows/test-tk.yml b/.github/workflows/test-tk.yml
index 8bb5a2b..e584a0e 100644
--- a/.github/workflows/test-tk.yml
+++ b/.github/workflows/test-tk.yml
@@ -9,7 +9,7 @@ jobs:
   tests-poetry:
     strategy:
       matrix:
-        os: [macos-latest-large]
+        os: [macos-13]
         # python-version: ["3.8.10", "3.8.17", "3.9.1", "3.9.19", "3.9.19", "3.10.1", "3.10.14", "3.11.9"]
         python-version: [ "3.10.16"]