diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index b94b0ec4..bd7f326d 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -138,7 +138,7 @@ jobs:
           p12-file-base64: ${{ secrets.APPLE_CERTIFICATE }}
           p12-password: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
       - name: Grunt
-        run: grunt desktop-darwin ${{ github.repository != 'keeweb/keeweb' && '--skip-sign' || '' }}
+        run: grunt --max-old-space-size=4096 desktop-darwin ${{ github.repository != 'keeweb/keeweb' && '--skip-sign' || '' }}
       - name: Upload x64 dmg artifact
         uses: actions/upload-artifact@v1
         with: