Index: trunk/.github/workflows/ant.yml
===================================================================
--- trunk/.github/workflows/ant.yml	(revision 17487)
+++ trunk/.github/workflows/ant.yml	(revision 17490)
@@ -117,5 +117,5 @@
         if: ${{ runner.os == 'macos' && always() }}
         run: |
-          brew cask install imageoptim
+          brew install --cask imageoptim
           defaults write net.pornel.ImageOptim SvgoEnabled 1
           defaults write net.pornel.ImageOptim PngCrush2Enabled 1