diff --git a/.github/actions/setup-build-env/action.yml b/.github/actions/setup-build-env/action.yml
index 8f7ff4b42..c5a0d14ab 100644
--- a/.github/actions/setup-build-env/action.yml
+++ b/.github/actions/setup-build-env/action.yml
@@ -28,6 +28,7 @@ runs:
       shell: bash
       run: |
         echo "${{ github.workspace }}/.local/bin" >> $GITHUB_PATH
+        echo "$(brew --prefix llvm)/bin" >> $GITHUB_PATH
         echo "$(brew --prefix bison)/bin" >> $GITHUB_PATH
         echo "$(brew --prefix flex)/bin" >> $GITHUB_PATH
         echo "procs=$(sysctl -n hw.ncpu)" >> $GITHUB_ENV