diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1b3e56..6bf47e3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.3.3] - 2024-12-19
+## [0.3.4] - 2024-12-21
 
 * Initial release on WordPress.org
 
diff --git a/README.md b/README.md
index 2f7a674..91f11d6 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 **Tags:** events, fediverse, activitypub, calendar  
 **Requires at least:** 6.5  
 **Tested up to:** 6.7  
-**Stable tag:** 0.3.3  
+**Stable tag:** 0.3.4  
 **Requires PHP:** 7.4  
 **License:** AGPL-3.0-or-later  
 **License URI:** https://www.gnu.org/licenses/agpl-3.0.html  
@@ -101,7 +101,7 @@ We're always interested in your feedback. Feel free to reach out to us via [E-Ma
 
 ## Changelog ##
 
-### [0.3.3] 2024-12-19 ###
+### [0.3.4] 2024-12-21 ###
 
 * Initial release on https://wordpress.org/
 
diff --git a/event-bridge-for-activitypub.php b/event-bridge-for-activitypub.php
index f1ce6b3..72a0a89 100644
--- a/event-bridge-for-activitypub.php
+++ b/event-bridge-for-activitypub.php
@@ -3,7 +3,7 @@
  * Plugin Name:  Event Bridge for ActivityPub
  * Description:  Integrating popular event plugins with the ActivityPub plugin.
  * Plugin URI:   https://event-federation.eu/
- * Version:      0.3.3
+ * Version:      0.3.4
  * Author:       André Menrath
  * Author URI:   https://graz.social/@linos
  * Text Domain:  event-bridge-for-activitypub
diff --git a/includes/class-settings.php b/includes/class-settings.php
index 3b15a2c..7b05d23 100644
--- a/includes/class-settings.php
+++ b/includes/class-settings.php
@@ -14,8 +14,6 @@ namespace Event_Bridge_For_ActivityPub;
 // Exit if accessed directly.
 defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
 
-use Activitypub\Activity\Extended_Object\Event;
-
 /**
  * Class responsible for the ActivityPui Event Extension related Settings.
  *
@@ -133,7 +131,8 @@ class Settings {
 	 * @return bool True if allowed, false otherwise.
 	 */
 	private static function is_allowed_event_category( $event_category ): bool {
-		$allowed_event_categories = Event::DEFAULT_EVENT_CATEGORIES;
+		require_once EVENT_BRIDGE_FOR_ACTIVITYPUB_PLUGIN_DIR . '/includes/event-categories.php';
+		$allowed_event_categories = array_keys( EVENT_BRIDGE_FOR_ACTIVITYPUB_EVENT_CATEGORIES );
 		return in_array( $event_category, $allowed_event_categories, true );
 	}
 }
diff --git a/readme.txt b/readme.txt
index a2aa34b..1e444dd 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: andremenrath
 Tags: events, fediverse, activitypub, calendar
 Requires at least: 6.5
 Tested up to: 6.7
-Stable tag: 0.3.3
+Stable tag: 0.3.4
 Requires PHP: 7.4
 License: AGPL-3.0-or-later
 License URI: https://www.gnu.org/licenses/agpl-3.0.html
@@ -95,6 +95,6 @@ We're always interested in your feedback. Feel free to reach out to us via [E-Ma
 
 == Changelog ==
 
-= [0.3.3] 2024-12-19 =
+= [0.3.4] 2024-12-21 =
 
 * Initial release on https://wordpress.org/