diff --git a/controllers/ConfigController.php b/controllers/ConfigController.php
index 174193bb..580ee55e 100644
--- a/controllers/ConfigController.php
+++ b/controllers/ConfigController.php
@@ -9,13 +9,10 @@
 
 namespace humhub\modules\tasks\controllers;
 
-use Yii;
-use yii\data\ActiveDataProvider;
-use yii\helpers\Url;
-use humhub\modules\admin\permissions\ManageModules;
 use humhub\modules\admin\components\Controller;
+use humhub\modules\admin\permissions\ManageModules;
 use humhub\modules\tasks\models\SnippetModuleSettings;
-use yii\web\HttpException;
+use Yii;
 
 /**
  * 
@@ -25,7 +22,7 @@ class ConfigController extends Controller
     /**
      * @inheritdoc
      */
-    public function getAccessRules()
+    protected function getAccessRules()
     {
         return [['permissions' => ManageModules::class]];
     }
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 9d54b96b..a2cc266e 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,6 +1,10 @@
 Changelog
 =========
 
+1.9.0 (Unreleased)
+-------------------
+- Fix #243: Fix visibility of the method `Controller::getAccessRules()`
+- 
 1.8.2 (Unreleased)
 -------------------
 - Fix #232: Set All Icons color to @text-color-main (#555)
diff --git a/module.json b/module.json
index cf1a7304..930cbf8c 100644
--- a/module.json
+++ b/module.json
@@ -3,10 +3,10 @@
     "name": "Tasks",
     "description": "Intuitive task management tool with many basic and advanced features.",
     "keywords": ["task", "todo"],
-    "version": "1.8.2",
+    "version": "1.9.0",
     "homepage": "https://github.com/humhub/tasks",
     "humhub": {
-        "minVersion": "1.14"
+        "minVersion": "1.16"
     },
     "screenshots": ["assets/screen1.jpg", "assets/screen2.jpg"]
 }