diff --git a/.github/workflows/php-test-master.yml b/.github/workflows/php-test-master.yml
deleted file mode 100644
index 16a16c5..0000000
--- a/.github/workflows/php-test-master.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-name: PHP Codeception Tests - master
-
-on:
-  push:
-
-jobs:
-  tests:
-    uses: humhub/actions/.github/workflows/module-tests-master.yml@main
-    with:
-      module-id: example-basic
diff --git a/.github/workflows/php-test-main.yml b/.github/workflows/php-test-next.yml
similarity index 100%
rename from .github/workflows/php-test-main.yml
rename to .github/workflows/php-test-next.yml
diff --git a/assets/Assets.php b/assets/Assets.php
index f9ff1c7..a825312 100644
--- a/assets/Assets.php
+++ b/assets/Assets.php
@@ -2,7 +2,7 @@
 
 namespace acmeCorp\humhub\modules\exampleBasic\assets;
 
-use yii\web\AssetBundle;
+use humhub\components\assets\AssetBundle;
 
 class Assets extends AssetBundle
 {
@@ -14,11 +14,9 @@ class Assets extends AssetBundle
     /**
      * @inheritdoc
      */
-    public $publishOptions = [
-        // TIPP: Change forceCopy to true when testing your js in order to rebuild
-        // this assets on every request (otherwise they will be cached)
-        'forceCopy' => false,
-    ];
+    // TIP: Change forceCopy to true when testing your js in order to rebuild
+    // this assets on every request (otherwise they will be cached)
+    public $forceCopy = false;
 
     /**
      * @inheritdoc
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 1f58ce6..e6a125d 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,6 +1,10 @@
 Changelog
 =========
 
+1.1.0 (Unreleased)
+----------------------
+- Enh #12: Migration to Bootstrap 5 for HumHub 1.18
+
 1.0.2 (Unreleased)
 ----------------------
 - Enh #5: Add `requirements.php`
diff --git a/module.json b/module.json
index 385faeb..f85ac06 100644
--- a/module.json
+++ b/module.json
@@ -4,9 +4,9 @@
     "description": "A very basic module example",
     "keywords": [
     ],
-    "version": "1.0.2",
+    "version": "1.1.0",
     "humhub": {
-        "minVersion": "1.2"
+        "minVersion": "1.18"
     },
     "screenshots": ["resources/screen1.jpg"]
 }
diff --git a/tests/codeception.yml b/tests/codeception.yml
index 5e7e29d..cc449b0 100644
--- a/tests/codeception.yml
+++ b/tests/codeception.yml
@@ -13,7 +13,7 @@ settings:
     backup_globals: true
 paths:
     tests: codeception
-    log: codeception/_output
+    output: codeception/_output
     data: codeception/_data
     helpers: codeception/_support
     envs: ../../../humhub/tests/config/env
@@ -21,4 +21,3 @@ config:
     # the entry script URL (with host info) for functional and acceptance tests
     # PLEASE ADJUST IT TO THE ACTUAL ENTRY SCRIPT URL
     test_entry_url: http://localhost:8080/index-test.php
-    
\ No newline at end of file
diff --git a/tests/codeception/acceptance.suite.yml b/tests/codeception/acceptance.suite.yml
index cdc84a3..57ca5eb 100644
--- a/tests/codeception/acceptance.suite.yml
+++ b/tests/codeception/acceptance.suite.yml
@@ -8,7 +8,7 @@
 
 # RUN `build` COMMAND AFTER ADDING/REMOVING MODULES.
 
-class_name: AcceptanceTester
+actor: AcceptanceTester
 modules:
   enabled:
     - WebDriver
@@ -19,4 +19,4 @@ modules:
       url: 'http://localhost:8080/'
       browser: chrome
       restart: true
-      port: 4444
\ No newline at end of file
+      port: 4444
diff --git a/tests/codeception/functional.suite.yml b/tests/codeception/functional.suite.yml
index 1a84351..7ed53e3 100644
--- a/tests/codeception/functional.suite.yml
+++ b/tests/codeception/functional.suite.yml
@@ -5,7 +5,7 @@
 # (tip: better to use with frameworks).
 
 # RUN `build` COMMAND AFTER ADDING/REMOVING MODULES.
-class_name: FunctionalTester
+actor: FunctionalTester
 modules:
     enabled:
       - Filesystem
@@ -15,4 +15,4 @@ modules:
       - tests\codeception\_support\HumHubHelper
     config:
         Yii2:
-            configFile: 'codeception/config/functional.php'
\ No newline at end of file
+            configFile: 'codeception/config/functional.php'
diff --git a/tests/codeception/unit.suite.yml b/tests/codeception/unit.suite.yml
index b51817c..953ec41 100644
--- a/tests/codeception/unit.suite.yml
+++ b/tests/codeception/unit.suite.yml
@@ -3,7 +3,7 @@
 # suite for unit (internal) tests.
 # RUN `build` COMMAND AFTER ADDING/REMOVING MODULES.
 
-class_name: UnitTester
+actor: UnitTester
 modules:
     enabled:
         - tests\codeception\_support\CodeHelper
diff --git a/views/index/index.php b/views/index/index.php
index 91c3271..997f67c 100644
--- a/views/index/index.php
+++ b/views/index/index.php
@@ -1,9 +1,11 @@
 <?php
 
-/* @var $this \humhub\modules\ui\view\components\View */
+/* @var $this View */
 
 use acmeCorp\humhub\modules\exampleBasic\assets\Assets;
-use humhub\widgets\Button;
+use humhub\components\View;
+use humhub\widgets\bootstrap\Alert;
+use humhub\widgets\bootstrap\Button;
 
 // Register our module assets, this could also be done within the controller
 Assets::register($this);
@@ -21,7 +23,7 @@
 
 <div class="container">
     <div class="row">
-        <div class="col-md-8">
+        <div class="col-lg-8">
             <div class="panel panel-default">
                 <div class="panel-heading">
                     <strong>Example-basic</strong> <?= Yii::t('ExampleBasicModule.base', 'overview') ?></div>
@@ -303,27 +305,19 @@
                 <div class="panel-heading">Panel-Heading: Bootstrap Elements</div>
                 <div class="panel-body">
 
-                    <div class="alert alert-warning">
-                        Warning Alert
-                    </div>
+                    <?= Alert::warning('Warning Alert') ?>
 
-                    <div class="alert alert-info">
-                        Info Alert
-                    </div>
+                    <?= Alert::info('Info Alert') ?>
 
-                    <div class="alert alert-success">
-                        Success Alert
-                    </div>
+                    <?= Alert::success('Success Alert') ?>
 
-                    <div class="alert alert-danger">
-                        Danger Alert
-                    </div>
+                    <?= Alert::danger('Danger Alert')->closeButton(false) ?>
 
                 </div>
             </div>
         </div>
 
-        <div class="col-md-4">
+        <div class="col-lg-4">
             <div class="panel panel-default">
                 <div class="panel-heading"><strong>Example</strong> basic</div>
                 <div class="panel-body">
@@ -335,5 +329,3 @@
 
     </div>
 </div>
-
-
diff --git a/views/layouts/default.php b/views/layouts/default.php
index d04d43e..463eb45 100644
--- a/views/layouts/default.php
+++ b/views/layouts/default.php
@@ -1,14 +1,14 @@
 <?php
-/* @var $this \humhub\modules\ui\view\components\View */
+/* @var $this \humhub\components\View */
 /* @var $content string */
 
 ?>
 <div class="container">
     <div class="row">
-        <div class="col-md-12">
+        <div class="col-lg-12">
             <div class="panel panel-default">
                 <?= $content ?>
             </div>
         </div>
     </div>
-</div>
\ No newline at end of file
+</div>