diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b160e6d..bef0a0e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-latest, ubuntu-latest, macos-latest]
+        os: [windows-latest, ubuntu-latest, macos-13]
     timeout-minutes: 7
     steps: