diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6050e320..dfe4f096 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -41,6 +41,7 @@ jobs:
         - linux: py312
         - windows: py312-online
         - macos: py311
+          runs-on: macos-13
         - linux: py311-oldestdeps
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}