diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2615c6ae..ae645ec3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -267,9 +267,11 @@ jobs:
       run: |
         if [[ "${{ runner.os }}" == "Linux" ]]; then
           sudo apt-get update
-          xargs -a .github/workflows/scripts/linux-ci-packages.txt sudo apt-get install -y
+          sudo apt-get install -y $(tr '\n' ' ' < .github/workflows/scripts/linux-ci-packages.txt) ${{ matrix.cc }} ${{ matrix.cxx }}
         elif [[ "${{ runner.os }}" == "macOS" ]]; then
-          brew install ninja pkg-config ccache
+          brew install llvm@18 ninja pkg-config ccache
+          LLVM_PREFIX=$(brew --prefix llvm@18)
+          echo "$LLVM_PREFIX/bin" >> $GITHUB_PATH
         fi
     
     - name: Retry Dependencies (Unix)