diff --git a/src/apptask.js b/src/apptask.js
index 52332e475..7c0145008 100644
--- a/src/apptask.js
+++ b/src/apptask.js
@@ -25,6 +25,7 @@ var addons = require('./addons.js'),
     apps = require('./apps.js'),
     assert = require('assert'),
     async = require('async'),
+    auditsource = require('./auditsource.js'),
     backups = require('./backups.js'),
     config = require('./config.js'),
     database = require('./database.js'),
@@ -34,6 +35,7 @@ var addons = require('./addons.js'),
     domains = require('./domains.js'),
     DomainsError = domains.DomainsError,
     ejs = require('ejs'),
+    eventlog = require('./eventlog.js'),
     fs = require('fs'),
     manifestFormat = require('cloudron-manifestformat'),
     mkdirp = require('mkdirp'),
@@ -789,7 +791,7 @@ function update(app, callback) {
             debugApp(app, 'Error updating app: %s', error);
             updateApp(app, { installationState: appdb.ISTATE_ERROR, installationProgress: error.message, updateTime: new Date() }, callback.bind(null, error));
         } else {
-            callback(null);
+            eventlog.add(eventlog.ACTION_APP_UPDATE_FINISH, auditsource.APP_TASK, { app: app, success: true }, callback);
         }
     });
 }
diff --git a/src/auditsource.js b/src/auditsource.js
index c9a0bc608..82073f2a9 100644
--- a/src/auditsource.js
+++ b/src/auditsource.js
@@ -5,6 +5,7 @@ exports = module.exports = {
     HEALTH_MONITOR: { userId: null, username: 'healthmonitor' },
     SYSADMIN: { userId: null, username: 'sysadmin' },
     TASK_MANAGER: { userId: null, username: 'taskmanager' },
+    APP_TASK: { userId: null, username: 'apptask' },
 
     fromRequest: fromRequest
 };
diff --git a/src/eventlog.js b/src/eventlog.js
index 09a0ed8fa..bf3c5109c 100644
--- a/src/eventlog.js
+++ b/src/eventlog.js
@@ -17,6 +17,7 @@ exports = module.exports = {
     ACTION_APP_RESTORE: 'app.restore',
     ACTION_APP_UNINSTALL: 'app.uninstall',
     ACTION_APP_UPDATE: 'app.update',
+    ACTION_APP_UPDATE_FINISH: 'app.update.finish',
     ACTION_APP_LOGIN: 'app.login',
     ACTION_APP_OOM: 'app.oom',
     ACTION_APP_UP: 'app.up',
diff --git a/src/mail_templates/app_updated.ejs b/src/mail_templates/app_updated.ejs
new file mode 100644
index 000000000..5389eb1c2
--- /dev/null
+++ b/src/mail_templates/app_updated.ejs
@@ -0,0 +1,13 @@
+<%if (format === 'text') { %>
+
+Dear Cloudron Admin,
+
+The application '<%= title %>' installed at <%= appFqdn %> was updated to app package version <%= version %>.
+
+Powered by https://cloudron.io
+
+Sent at: <%= new Date().toUTCString() %>
+
+<% } else { %>
+
+<% } %>
diff --git a/src/notifications.js b/src/notifications.js
index c132e8d66..37827a627 100644
--- a/src/notifications.js
+++ b/src/notifications.js
@@ -230,6 +230,17 @@ function appDied(eventId, app, callback) {
     }, callback);
 }
 
+function appUpdated(eventId, app, callback) {
+    assert.strictEqual(typeof eventId, 'string');
+    assert.strictEqual(typeof app, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    actionForAllAdmins([], function (admin, done) {
+        mailer.appUpdated(admin.email, app);
+        add(admin.id, eventId, `App ${app.fqdn} updated`, `The application ${app.manifest.title} installed at ${app.fqdn} was updated to version ${app.manifest.version}.`, done);
+    }, callback);
+}
+
 function certificateRenewalError(eventId, vhost, errorMessage, callback) {
     assert.strictEqual(typeof eventId, 'string');
     assert.strictEqual(typeof vhost, 'string');
@@ -328,6 +339,9 @@ function onEvent(id, action, source, data, callback) {
     case eventlog.ACTION_APP_UP:
         return appUp(id, data.app, callback);
 
+    case eventlog.ACTION_APP_UPDATE_FINISH:
+        return appUpdated(id, data.app, callback);
+
     case eventlog.ACTION_CERTIFICATE_RENEWAL:
     case eventlog.ACTION_CERTIFICATE_NEW:
         if (!data.errorMessage) return callback();