diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 500dd61..c675390 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -53,6 +53,12 @@ jobs:
       #       dist/electron/Packaged/*.zip
       #       dist/electron/Packaged/builder-debug.yml
 
+      - name: Sign Mac App
+        if: matrix.platform == 'osx'
+        uses: indygreg/apple-code-sign-action@v1
+        with:
+          input_path: dist/electron/Packaged/*.dmg
+
       - name: Create new release
         uses: softprops/action-gh-release@v1
         with:
@@ -62,4 +68,3 @@ jobs:
             dist/electron/Packaged/*.deb
             dist/electron/Packaged/*.tar.gz
             dist/electron/Packaged/*.dmg
-            dist/electron/Packaged/*.zip