diff --git a/.github/workflows/CICD.yml b/.github/workflows/CICD.yml
index 056c0a3..7799ac2 100644
--- a/.github/workflows/CICD.yml
+++ b/.github/workflows/CICD.yml
@@ -60,7 +60,7 @@ jobs:
           - { os: ubuntu-18.04, target: i686-unknown-linux-musl     , use-cross: true }
           - { os: ubuntu-18.04, target: x86_64-unknown-linux-gnu    }
           - { os: ubuntu-18.04, target: x86_64-unknown-linux-musl   , use-cross: true }
-          - { os: macos-10.15 , target: x86_64-apple-darwin         }
+          - { os: macos-12,     target: x86_64-apple-darwin         }
           # - { os: windows-2019, target: i686-pc-windows-gnu         }  ## disabled; error: linker `i686-w64-mingw32-gcc` not found
           - { os: windows-2019, target: i686-pc-windows-msvc        }
           - { os: windows-2019, target: x86_64-pc-windows-gnu       }