diff --git a/.github/workflows/ci_license.yml b/.github/workflows/ci_license.yml
index b0970b9..1f68044 100644
--- a/.github/workflows/ci_license.yml
+++ b/.github/workflows/ci_license.yml
@@ -26,4 +26,4 @@ jobs:
         uses: actions/checkout@v4
 
       - name: REUSE Compliance Check
-        uses: fsfe/reuse-action@v3
+        uses: fsfe/reuse-action@v4
diff --git a/.github/workflows/ci_macos.yml b/.github/workflows/ci_macos.yml
index 2011975..9e90aa0 100644
--- a/.github/workflows/ci_macos.yml
+++ b/.github/workflows/ci_macos.yml
@@ -32,7 +32,6 @@ jobs:
           - name: "clang17"
             compiler: "clang-17"
             build_type: Release
-            cxx_flags: "-stdlib=libc++" # For verbosity. This is already the default.
 
           - name: "gcc13"
             compiler: "gcc-13"
@@ -56,19 +55,11 @@ jobs:
           compiler: ${{ matrix.compiler }}
           ccache_size: 75M
 
-      - name: Install CMake
-        uses: seqan/actions/setup-cmake@main
-        with:
-          cmake: 3.25.3
-
       - name: Configure
         run: |
-          mkdir build
-          cd build
-          cmake .. -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
-                   -DCMAKE_CXX_FLAGS="${{ matrix.cxx_flags }} -Werror"
+          mkdir build && cd build
+          cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="-Werror"
 
       - name: Build and run tests
-        run: |
-          cd build
-          make -j3 -k check
+        working-directory: build
+        run: make -k check