diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0fb1f6a..b6295a6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ name: CI Tests
 on:
   workflow_dispatch:
   push:
-    branches: [main]
+    branches: [main, ci]
   pull_request:
     branches: [main]
 jobs:
@@ -26,17 +26,14 @@ jobs:
           - {name: "Ubuntu GCC 12", os: ubuntu-24.04, toolchain: "gcc-12",  cmake_args: "-G \"Ninja Multi-Config\" -DCMAKE_CONFIGURATION_TYPES=\"RelWithDebInfo;Asan\" "}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'true'
-      - uses: seanmiddleditch/gha-setup-ninja@master
       - name: Activate verbose shell
         run: set -x
       - name: Install LLVM+Clang
         if: startsWith(matrix.config.name, 'Ubuntu Clang')
         run: |
-          set -x
-          cat /etc/lsb-release
           # Remove existing Clang installations.
           sudo apt-get remove \
             clang-${{matrix.config.installed_clang_version}} \
@@ -71,7 +68,6 @@ jobs:
       - name: Install GCC
         if: startsWith(matrix.config.name, 'Ubuntu GCC')
         run: |
-          set -x
           # Remove existing GCC installations.
           sudo apt-get remove gcc-13 g++-13 gcc-14 g++-14 gcc g++
           sudo apt update
@@ -83,18 +79,14 @@ jobs:
           g++-${GCC_VERSION} --version
       - name: CMake Configure
         run: |
-          set -x
           echo ${{ matrix.config.cmake_args }}
           echo ${{ matrix.config.toolchain }}
-          rm -rf .build
           cmake ${{ matrix.config.cmake_args }} -DCMAKE_TOOLCHAIN_FILE="etc/${{ matrix.config.toolchain }}-toolchain.cmake" -B .build -S .
       - name: CMake Build
         run: |
-          set -x
           cmake --build .build --config Asan --target all -- -k 0
       - name: CMake Test
         run: |
-          set -x
           [[ ! -z "${{ matrix.config.asan_options }}" ]]  && export ASAN_OPTIONS="${{ matrix.config.asan_options }}"
           ctest --build-config Asan --output-on-failure --test-dir .build