diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c00619..6cfe3d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
           #- perl-version: '5.30'
           #  os: windows-latest
           #- perl-version: '5.30'
-          #  os: macos-latest
+          #  os: macos-11
     steps:
       - uses: actions/checkout@v2
       - name: 'ci-dist: target-setup-perl'