diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ea7e671..b8d6ea6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -127,7 +127,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        os: [ ubuntu-latest, macos-13, windows-latest ]
         python-version: [ 3.9, "3.10", "3.11", "3.12" ]
     defaults:
       run: