diff --git a/.github/workflows/downstream.yml b/.github/workflows/downstream.yml
index 2a95933..39f273e 100644
--- a/.github/workflows/downstream.yml
+++ b/.github/workflows/downstream.yml
@@ -21,7 +21,7 @@ jobs:
         os: [ubuntu-latest]
         python-version: ["3.10"]
         include:
-          - os: macos-latest
+          - os: macos-13
             python-version: "3.10"
 
     steps: