diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 56ecde1c..43b2f354 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -81,9 +81,9 @@ jobs:
         if: matrix.os == 'macos-latest' && env.SCRATCH_SHOULD_SIGN == 'true'
         run: |
           NPM_APP_VERSION="`node -pe "require('./package.json').version"`"
-          cd dist/mas-dev
+          cd dist/mas-dev-universal
           ditto -v -c -k --sequesterRsrc --keepParent --zlibCompressionLevel 9 \
-            Scratch*.app ../mas-dev-${NPM_APP_VERSION}.zip
+            Scratch*.app ../mas-dev-universal-${NPM_APP_VERSION}.zip
       - name: Upload macOS artifacts
         uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
         if: matrix.os == 'macos-latest'
@@ -91,8 +91,8 @@ jobs:
           name: macOS
           path: |
             dist/Scratch*.dmg
-            dist/mas/Scratch*.pkg
-            dist/mas-dev-*.zip
+            dist/mas-universal/Scratch*.pkg
+            dist/mas-dev-universal-*.zip
       - name: Upload Windows artifacts
         uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
         if: matrix.os == 'windows-latest'
diff --git a/scripts/electron-builder-wrapper.js b/scripts/electron-builder-wrapper.js
index 7eae295c..031ebf2b 100644
--- a/scripts/electron-builder-wrapper.js
+++ b/scripts/electron-builder-wrapper.js
@@ -59,6 +59,9 @@ const runBuilder = function (wrapperConfig, target) {
     let allArgs = [platformFlag, target.name];
     if (target.platform === 'darwin') {
         allArgs.push(`--c.mac.type=${wrapperConfig.mode === 'dist' ? 'distribution' : 'development'}`);
+        // this needs to be built on an arm64 mac, in order for the executable to be able
+        // to run on both x86-64 and arm64 architectures. 
+        allArgs.push('--universal');
         if (target.name === 'mas-dev') {
             allArgs.push(`--c.mac.provisioningProfile=${masDevProfile}`);
         }