diff --git a/script/build/test_slice_tests.sh b/script/build/test_slice_tests.sh
index dd79296ab..11e68e141 100755
--- a/script/build/test_slice_tests.sh
+++ b/script/build/test_slice_tests.sh
@@ -50,7 +50,6 @@ if [ "$LEVEL" == '1' ]; then
   rm test/browser/first_steps_test.rb
   rm test/browser/integration_test.rb
   rm test/browser/keyboard_shortcuts_test.rb
-  # test/browser/maintenance_app_version_test.rb
   # test/browser/maintenance_session_message_test.rb
   # test/browser/manage_test.rb
   # test/browser/monitoring_test.rb
@@ -108,7 +107,6 @@ elif [ "$LEVEL" == '2' ]; then
   rm test/browser/first_steps_test.rb
   rm test/browser/integration_test.rb
   rm test/browser/keyboard_shortcuts_test.rb
-  rm test/browser/maintenance_app_version_test.rb
   rm test/browser/maintenance_session_message_test.rb
   rm test/browser/manage_test.rb
   rm test/browser/monitoring_test.rb
@@ -166,7 +164,6 @@ elif [ "$LEVEL" == '3' ]; then
   rm test/browser/first_steps_test.rb
   rm test/browser/integration_test.rb
   rm test/browser/keyboard_shortcuts_test.rb
-  rm test/browser/maintenance_app_version_test.rb
   rm test/browser/maintenance_session_message_test.rb
   rm test/browser/manage_test.rb
   rm test/browser/monitoring_test.rb
@@ -224,7 +221,6 @@ elif [ "$LEVEL" == '4' ]; then
   rm test/browser/first_steps_test.rb
   rm test/browser/integration_test.rb
   rm test/browser/keyboard_shortcuts_test.rb
-  rm test/browser/maintenance_app_version_test.rb
   rm test/browser/maintenance_session_message_test.rb
   rm test/browser/manage_test.rb
   rm test/browser/monitoring_test.rb
@@ -281,7 +277,6 @@ elif [ "$LEVEL" == '5' ]; then
   rm test/browser/first_steps_test.rb
   rm test/browser/integration_test.rb
   rm test/browser/keyboard_shortcuts_test.rb
-  rm test/browser/maintenance_app_version_test.rb
   rm test/browser/maintenance_session_message_test.rb
   rm test/browser/manage_test.rb
   rm test/browser/monitoring_test.rb
@@ -341,7 +336,6 @@ elif [ "$LEVEL" == '6' ]; then
   # test/browser/first_steps_test.rb
   # test/browser/integration_test.rb
   # test/browser/keyboard_shortcuts_test.rb
-  rm test/browser/maintenance_app_version_test.rb
   rm test/browser/maintenance_session_message_test.rb
   rm test/browser/manage_test.rb
   rm test/browser/monitoring_test.rb
diff --git a/spec/system/maintenance_app_version_spec.rb b/spec/system/maintenance_app_version_spec.rb
new file mode 100644
index 000000000..35561f4e0
--- /dev/null
+++ b/spec/system/maintenance_app_version_spec.rb
@@ -0,0 +1,15 @@
+# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
+
+require 'rails_helper'
+
+RSpec.describe 'Maintenance App Version', type: :system do
+  it 'check that new version is present' do
+    page.execute_script 'App.Event.trigger("maintenance", {type:"app_version", app_version:"1234:false"} )'
+
+    expect(page).to have_no_text('new version')
+
+    page.execute_script 'App.Event.trigger("maintenance", {type:"app_version", app_version:"1234:true"} )'
+
+    expect(page).to have_text('new version')
+  end
+end
diff --git a/test/browser/maintenance_app_version_test.rb b/test/browser/maintenance_app_version_test.rb
deleted file mode 100644
index d745681b3..000000000
--- a/test/browser/maintenance_app_version_test.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
-
-require 'browser_test_helper'
-
-class MaintenanceAppVersionTest < TestCase
-
-  def test_app_version
-    @browser = browser_instance
-    login(
-      username: 'admin@example.com',
-      password: 'test',
-      url:      browser_url,
-    )
-
-    sleep 8
-
-    execute(
-      js: 'App.Event.trigger("maintenance", {type:"app_version", app_version:"1234:false"} )',
-    )
-    sleep 8
-
-    match_not(
-      css:   'body',
-      value: 'new version',
-    )
-
-    execute(
-      js: 'App.Event.trigger("maintenance", {type:"app_version", app_version:"1235:true"}) ',
-    )
-    sleep 5
-
-    match(
-      css:   'body',
-      value: 'new version',
-    )
-  end
-
-end