diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 7614bb85..279f69bd 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -70,8 +70,7 @@ jobs:
         cd scripts
         brew update --preinstall # temporary workaround for https://github.com/Homebrew/homebrew-bundle/issues/751
         brew bundle
-        brew tap iveney/mocha
-        brew install realpath
+        brew install coreutils
         brew install pkg-config
     - name: py dependencies
       run: |