diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a6d5a76..b54d301 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-13]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4