diff --git a/.github/workflows/code.yml b/.github/workflows/code.yml
index 68d590bf..a41d9734 100644
--- a/.github/workflows/code.yml
+++ b/.github/workflows/code.yml
@@ -53,7 +53,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, windows-latest, macos-13]
         python: [cp37, cp38, cp39, cp310]
 
         include: