diff --git a/.github/workflows/upload-dmg.yml b/.github/workflows/upload-dmg.yml
index ce5113b2..b400029d 100644
--- a/.github/workflows/upload-dmg.yml
+++ b/.github/workflows/upload-dmg.yml
@@ -18,7 +18,7 @@ jobs:
         runs-on: macos-latest
         strategy:
           matrix:
-            arch: [64, arm64]
+            arch: [ arm64 ] # 64, arm64
     
         steps:
           - uses: actions/checkout@v4
@@ -27,11 +27,11 @@ jobs:
     
           - name: Build ${{ matrix.arch }} mac os package
             run: |
-              ARCHITECTURE=${{ matrix.arch }} VERSION=${{ github.event.inputs.pharo-launcher-version }} ./build.sh mac-package
+              APP_URL=$( [ "${{ matrix.arch }}" == "arm64" ] && ${{  github.event.inputs.arm-signed-archive-url }} || ${{  github.event.inputs.signed-archive-url }} )
               curl -O $APP_URL
               tar -xf *.tgz
               find . -name PharoLauncher.app -exec mv {} . \;
-              VERSION=$VERSION_NUMBER APP_NAME=PharoLauncher SHOULD_SIGN=false ./mac/build-dmg.sh
+              ARCHITECTURE=${{ matrix.arch }} VERSION=${{ github.event.inputs.pharo-launcher-version }} APP_NAME=PharoLauncher SHOULD_SIGN=false ./mac/build-dmg.sh
               local generated_dmg
               generated_dmg=$(echo *.dmg)
               mv "$generated_dmg" "PharoLauncher-$VERSION_NUMBER.dmg"
@@ -42,4 +42,5 @@ jobs:
             with:
                 name: PharoLauncher-mac-installer-${{ github.event.inputs.pharo-launcher-version }}-${{ matrix.arch == '64' && 'x64' || matrix.arch }}
                 path: PharoLauncher-*.dmg
+                retention-days: 5
     
\ No newline at end of file