diff --git a/scripts/after-sign.js b/scripts/after-sign.js
index 77fe6561..782b9c17 100644
--- a/scripts/after-sign.js
+++ b/scripts/after-sign.js
@@ -1,10 +1,11 @@
 require('dotenv').config();
 const { notarize } = require('electron-notarize');
+const child = require('child_process');
 
 exports.default = run;
 
 async function run(context) {
-    console.log('### After sign');
+    console.log('## After sign');
     // console.log(context);
 
     const appleId = process.env.APPLEID;
@@ -13,6 +14,11 @@ async function run(context) {
     const macBuild = context.electronPlatformName === 'darwin';
 
     if (macBuild) {
+        console.log('### Sign Safari App Extension');
+        const proc = child.spawn('npm', ['run', 'signMac']);
+        stdOutProc(proc);
+        await new Promise((resolve) => proc.on('close', resolve));
+
         console.log('### Notarizing ' + appPath);
         return await notarize({
             appBundleId: 'com.bitwarden.desktop',
@@ -22,3 +28,8 @@ async function run(context) {
         });
     }
 }
+
+function stdOutProc(proc) {
+    proc.stdout.on('data', (data) => console.log(data.toString()));
+    proc.stderr.on('data', (data) => console.error(data.toString()));
+}