diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 8e14948..e868fc3 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -9,8 +9,8 @@ jobs:
       fail-fast: false
       matrix:
         config:
-        - { os: macos-10.15 } # https://github.com/actions/virtual-environments/blob/main/images/macos/macos-10.15-Readme.md#xcode
-        - { os: macos-11.0  } # https://github.com/actions/virtual-environments/blob/main/images/macos/macos-11.0-Readme.md#xcode
+        - { os: macos-11 } # https://github.com/actions/virtual-environments/blob/main/images/macos/macos-11-Readme.md#xcode
+        - { os: macos-12 } # https://github.com/actions/virtual-environments/blob/main/images/macos/macos-12-Readme.md#xcode
         build: [Debug, Release]
 
     name: "${{matrix.config.os}}:${{matrix.build}}"