diff --git a/.github/workflows/linux-mingw.yml b/.github/workflows/linux-mingw.yml
index 8d54fc2..ad47403 100644
--- a/.github/workflows/linux-mingw.yml
+++ b/.github/workflows/linux-mingw.yml
@@ -33,7 +33,7 @@ jobs:
           -v ${{ github.workspace }}:/sources
           -e NSIS_VERSION=${{ env.NSIS_VERSION }}
           -e TARGET_ARCH=${{ matrix.target_arch }}
-          -e COMPILER=${{ matrix.COMPILER }}
+          -e COMPILER=${{ matrix.compiler }}
           -e DOCKERIMG=${{ env.DOCKERIMG }}
           -e ARCH_ROOT_URL=${{ env.ARCH_ROOT_URL }}
           -e NJOBS=${{ env.NJOBS }}
@@ -66,7 +66,7 @@ jobs:
           -v ${{ github.workspace }}:/sources
           -e NSIS_VERSION=${{ env.NSIS_VERSION }}
           -e TARGET_ARCH=${{ matrix.target_arch }}
-          -e COMPILER=${{ matrix.COMPILER }}
+          -e COMPILER=${{ matrix.compiler }}
           -e DOCKERIMG=${{ env.DOCKERIMG }}
           -e ARCH_ROOT_URL=${{ env.ARCH_ROOT_URL }}
           -e NJOBS=${{ env.NJOBS }}
@@ -89,14 +89,14 @@ jobs:
           chmod +x ports/ci/linux-mingw/deploy.sh
           ./ports/ci/linux-mingw/deploy.sh
     - name: Release Upload
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v0.1.6
       if: ${{ startsWith(github.ref, 'refs/tags/') }}
       with:
         files: packages/windows-gcc/*
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Daily Build Upload
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v0.1.6
       if: ${{ !startsWith(github.ref, 'refs/tags/') }}
       with:
         body: "${{ github.event.head_commit.message }} (commit: ${{ github.sha }})"
diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 864b8f0..818cf91 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -40,14 +40,14 @@ jobs:
         chmod +x ports/ci/mac/deploy.sh
         ./ports/ci/mac/deploy.sh
     - name: Release Upload
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v0.1.6
       if: ${{ startsWith(github.ref, 'refs/tags/') }}
       with:
         files: packages/mac/*
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Daily Build Upload
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v0.1.6
       if: ${{ !startsWith(github.ref, 'refs/tags/') }}
       with:
         body: "${{ github.event.head_commit.message }} (commit: ${{ github.sha }})"
diff --git a/.github/workflows/windows-msys.yml b/.github/workflows/windows-msys.yml
index ee44fd4..b8ce6e9 100644
--- a/.github/workflows/windows-msys.yml
+++ b/.github/workflows/windows-msys.yml
@@ -11,7 +11,6 @@ jobs:
     defaults:
       run:
         shell: msys2 {0}
-    steps:
     strategy:
       max-parallel: 10
       fail-fast: false
@@ -21,6 +20,7 @@ jobs:
          - compiler: clang
     env:
       COMPILER: ${{ matrix.compiler }}
+    steps:
     - uses: actions/checkout@v2
     - uses: msys2/setup-msys2@v2
       with:
diff --git a/ports/ci/mac/build.sh b/ports/ci/mac/build.sh
index 3f9d32b..14c248e 100644
--- a/ports/ci/mac/build.sh
+++ b/ports/ci/mac/build.sh
@@ -18,8 +18,14 @@
 #
 # Web-Site: http://webcamoid.github.io/
 
-SOURCES_DIR=${PWD}
-INSTALL_PREFIX=${SOURCES_DIR}/package-data
+COMPILER_C=clang
+COMPILER_CXX=clang++
+
+if [ -z "${DISABLE_CCACHE}" ]; then
+    EXTRA_PARAMS="-DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_OBJCXX_COMPILER_LAUNCHER=ccache"
+fi
+
+INSTALL_PREFIX=${PWD}/package-data
 
 mkdir build
 cmake \
@@ -27,6 +33,8 @@ cmake \
     -S . \
     -B build \
     -DCMAKE_BUILD_TYPE=Release \
-    -DCMAKE_INSTALL_PREFIX="${INSTALL_PREFIX}"
+    -DCMAKE_INSTALL_PREFIX="${INSTALL_PREFIX}" \
+    -DCMAKE_C_COMPILER="${COMPILER_C}" \
+    -DCMAKE_CXX_COMPILER="${COMPILER_CXX}"
 cmake --build build --parallel ${NJOBS}
 cmake --build build --target install