diff --git a/.github/workflows/package-macos.yml b/.github/workflows/package-macos.yml
index 663b9d11..f493c79a 100644
--- a/.github/workflows/package-macos.yml
+++ b/.github/workflows/package-macos.yml
@@ -23,7 +23,10 @@ on:
 
 jobs:
   build:
-    runs-on: macos-latest
+    strategy:
+      matrix:
+        os: [ macos-latest, macos-14 ]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
@@ -77,7 +80,7 @@ jobs:
       - name: upload build
         uses: actions/upload-artifact@v4
         with:
-          name: mac-os-build
+          name: mac-os-build-${{ runner.arch }}
           path: dist/*.dmg
       - name: Release
         uses: softprops/action-gh-release@v1
@@ -95,4 +98,4 @@ jobs:
 #        if: ${{ always() }}
         run: |
           security delete-keychain $RUNNER_TEMP/app-signing.keychain-db
-          rm ~/Library/MobileDevice/Provisioning\ Profiles/build_pp.mobileprovision
\ No newline at end of file
+          rm ~/Library/MobileDevice/Provisioning\ Profiles/build_pp.mobileprovision
diff --git a/.github/workflows/package-windows-with-docker.yml b/.github/workflows/package-windows-with-docker.yml
index e18bb670..6212a9ec 100644
--- a/.github/workflows/package-windows-with-docker.yml
+++ b/.github/workflows/package-windows-with-docker.yml
@@ -43,9 +43,9 @@ jobs:
       - name: rename binaries
         run: |   
           version_built=$(cat kindlecomicconverter/__init__.py | grep version | awk '{print $3}' | sed "s/[^.0-9b]//g")
-          mv dist/windows/kcc.exe dist/windows/kcc_${version_built}.exe 
-          mv dist/windows/kcc-c2e.exe dist/windows/kcc_c2e_${version_built}.exe 
-          mv dist/windows/kcc-c2p.exe dist/windows/kcc_c2p_${version_built}.exe
+          mv dist/windows/kcc.exe dist/windows/KCC_${version_built}.exe 
+          mv dist/windows/kcc-c2e.exe dist/windows/KCC_c2e_${version_built}.exe 
+          mv dist/windows/kcc-c2p.exe dist/windows/KCC_c2p_${version_built}.exe
       - name: upload build
         uses: actions/upload-artifact@v4
         with:
diff --git a/README.md b/README.md
index 0e08d4bf..211cb242 100644
--- a/README.md
+++ b/README.md
@@ -39,8 +39,9 @@ If you find **KCC** valuable you can consider donating to the authors:
 Click on **Assets** of the latest release. 
 
 You probably want either 
-- `kcc_*.*.*.exe` (Windows)
-- `KindleComicConverter_osx_*.*.*.dmg` (Mac)
+- `KCC_*.*.*.exe` (Windows)
+- `kcc_macos_arm_*.*.*.dmg` (recent Mac with Apple Silicon M1 chip or later)
+- `kcc_macos_i386_*.*.*.dmg` (older Mac with Intel chip)
 
 The `c2e` and `c2p` versions are command line tools for power users.
 
diff --git a/setup.py b/setup.py
index 3dc5a694..1815f2e9 100644
--- a/setup.py
+++ b/setup.py
@@ -11,6 +11,7 @@
 """
 
 import os
+import platform
 import sys
 import setuptools
 import distutils.cmd
@@ -38,7 +39,7 @@ def run(self):
         if sys.platform == 'darwin':
             os.system('pyinstaller -y -D -i icons/comic2ebook.icns -n "Kindle Comic Converter" -w -s kcc.py')
             # TODO /usr/bin/codesign --force -s "$MACOS_CERTIFICATE_NAME" --options runtime dist/Applications/Kindle\ Comic\ Converter.app -v
-            os.system('appdmg kcc.json dist/KindleComicConverter_osx_' + VERSION + '.dmg')
+            os.system(f'appdmg kcc.json dist/kcc_macos_{platform.processor()}_{VERSION}.dmg')
             sys.exit(0)
         elif sys.platform == 'win32':
             os.system('pyinstaller -y -F -i icons\\comic2ebook.ico -n KCC_' + VERSION + ' -w --noupx kcc.py')