diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 526ed0ef25..079193b96b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,6 +51,7 @@ jobs:
           - { arch: 'amd64', concurrency: 4, os: ubuntu-24.04, package: clang-16, cpp-version: clang++-16, cmake-flags: '-DDPP_CORO=ON', cpack: 'no', ctest: 'no', mold: 'yes' }
           - { arch: 'amd64', concurrency: 4, os: ubuntu-24.04, package: clang-17, cpp-version: clang++-17, cmake-flags: '-DDPP_CORO=ON', cpack: 'no', ctest: 'no', mold: 'yes' }
           - { arch: 'amd64', concurrency: 4, os: ubuntu-24.04, package: clang-18, cpp-version: clang++-18, cmake-flags: '-DDPP_CORO=ON', cpack: 'no', ctest: 'no', mold: 'yes' }
+          - { arch: 'amd64', concurrency: 4, os: ubuntu-24.04, package: '', cpp-version: clang++-19, cmake-flags: '-DDPP_CORO=ON', cpack: 'no', ctest: 'no', mold: 'yes', llvm-install: '19.1.0' }
           # g++
           - { arch: 'amd64', concurrency: 4, os: ubuntu-24.04, package: g++-13, cpp-version: g++-13, cmake-flags: '-DDPP_CORO=ON', cpack: 'no', ctest: 'no', mold: 'yes' }
           - { arch: 'amd64', concurrency: 4, os: ubuntu-24.04, package: g++-14, cpp-version: g++-14, cmake-flags: '-DDPP_CORO=ON', cpack: 'no', ctest: 'no', mold: 'yes' }
@@ -71,13 +72,20 @@ jobs:
       - name: Checkout D++
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
-      - name: Install apt packages
-        run: sudo sed -i 's/azure\.//' /etc/apt/sources.list && sudo apt update && sudo apt-get install -y ${{ matrix.cfg.package }} pkg-config libsodium-dev libopus-dev zlib1g-dev rpm
-
       - name: Setup mold
         if: ${{ matrix.cfg.mold == 'yes' }}
         uses: rui314/setup-mold@0bf4f07ef9048ec62a45f9dbf2f098afa49695f0 # v1
 
+      - name: Install LLVM
+        if: ${{ matrix.cfg.llvm-install != '' }}
+        uses: KyleMayes/install-llvm-action@v2
+        with:
+          version: ${{ matrix.cfg.llvm-install }}
+          env: true
+
+      - name: Install apt packages
+        run: sudo sed -i 's/azure\.//' /etc/apt/sources.list && sudo apt update && sudo apt-get install -y ${{ matrix.cfg.package }} pkg-config libsodium-dev libopus-dev zlib1g-dev rpm
+
       - name: Generate CMake
         run: cmake -B build -DDPP_NO_VCPKG=ON -DAVX_TYPE=AVX0 -DCMAKE_BUILD_TYPE=Release ${{matrix.cfg.cmake-flags}}
         env: