diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f53a334..9238a0d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -28,7 +28,7 @@
       fail-fast: false
       matrix:
         # Latest stable version, update at will
-        os: [ macOS-10.15, ubuntu-18.04, windows-2019 ]
+        os: [ macOS-11, ubuntu-18.04, windows-2019 ]
         dc: [ dmd-latest, ldc-latest, dmd-master, ldc-master ]
 
     runs-on: ${{ matrix.os }}