diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index ac731a0c..e46e558c 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -5,6 +5,7 @@ Changelog
 ---------------------------
 - Enh #289: Convert swagger docs to OpenAPI 3.0
 - Fix #291: Use `MailStyleHelper` for safe email inline styling
+- Fix #296: Compatibility with HumHub 1.18-beta.6
 
 1.9.1 (November 18, 2025)
 -------------------------
diff --git a/widgets/TaskSubMenu.php b/widgets/TaskSubMenu.php
index e7d08abd..15b130de 100644
--- a/widgets/TaskSubMenu.php
+++ b/widgets/TaskSubMenu.php
@@ -20,7 +20,7 @@ class TaskSubMenu extends SettingsTabs
     /**
      * @inheritdoc
      */
-    public function init()
+    public function init(): void
     {
         $contentContainer = Yii::$app->controller->contentContainer;