diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 963c308..4dc4135 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,6 +19,7 @@ jobs:
           - 'ubuntu-20.04'
           - 'ubuntu-18.04'
           - 'ubuntu-16.04'
+          - 'macos-11.0'
           - 'macos-10.15'  # macos-latest
           - 'windows-2019' # windows-latest
     steps: