diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 86a8e27..ec92474 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby: ${{ fromJson(needs.ruby-versions.outputs.versions) }}
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        os: [ ubuntu-latest, macos-13, windows-latest ]
         include:
           - ruby: mswin
             os: windows-latest