diff --git a/.github/workflows/build_osx.yml b/.github/workflows/build_osx.yml
index f5e2830cd9..fb366d550e 100644
--- a/.github/workflows/build_osx.yml
+++ b/.github/workflows/build_osx.yml
@@ -42,7 +42,7 @@ jobs:
       - name: Install Dependencies
         run: |
           brew update
-          # `xz` is preinstalled.
+          # preinstalled: xz, cmake
           brew install git bison autoconf automake libffi findutils
           echo "$(brew --prefix findutils)/libexec/gnubin" >> $GITHUB_PATH