diff --git a/package-lock.json b/package-lock.json
index 4c628a4..815393a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "simpletoc",
-	"version": "6.0.8",
+	"version": "6.0.9",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "simpletoc",
-			"version": "6.0.8",
+			"version": "6.0.9",
 			"license": "GPL-2.0-or-later",
 			"dependencies": {
 				"@wordpress/i18n": "^4.41.0",
@@ -15,7 +15,7 @@
 			},
 			"devDependencies": {
 				"@wordpress/env": "^8.7.0",
-				"@wordpress/scripts": "26.12.0"
+				"@wordpress/scripts": "^26.12.0"
 			}
 		},
 		"node_modules/@aashutoshrathi/word-wrap": {
diff --git a/package.json b/package.json
index bf73119..eec0c8e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "simpletoc",
-	"version": "6.0.8",
+	"version": "6.0.9",
 	"author": "Marc Tönsing",
 	"description": "SEO-friendly Table of Contents Gutenberg block. No JavaScript and no CSS means faster loading.",
 	"main": "build/index.js",
@@ -23,7 +23,7 @@
 	},
 	"devDependencies": {
 		"@wordpress/env": "^8.7.0",
-		"@wordpress/scripts": "26.12.0"
+		"@wordpress/scripts": "^26.12.0"
 	},
 	"dependencies": {
 		"@wordpress/i18n": "^4.41.0",
diff --git a/plugin.php b/plugin.php
index 5b6a7bc..496320c 100644
--- a/plugin.php
+++ b/plugin.php
@@ -4,7 +4,7 @@
  * Plugin Name:   SimpleTOC - Table of Contents Block
  * Plugin URI:    https://marc.tv/simpletoc-wordpress-inhaltsverzeichnis-plugin-gutenberg/
  * Description:   SEO-friendly Table of Contents Gutenberg block. No JavaScript and no CSS means faster loading.
- * Version:       6.0.8
+ * Version:       6.0.9
  * Author:        Marc Tönsing
  * Author URI:    https://marc.tv
  * Text Domain:   simpletoc
@@ -589,7 +589,7 @@ function enqueue_accordion_frontend()
         'simpletoc-accordion',
         plugin_dir_url(__FILE__) . 'src/accordion.js',
         array(),
-        '6.0.8',
+        '6.0.9',
         true
     );
 
@@ -597,7 +597,7 @@ function enqueue_accordion_frontend()
         'simpletoc-accordion',
         plugin_dir_url(__FILE__) . 'src/accordion.css',
         array(),
-        '6.0.8'
+        '6.0.9'
     );
 }
 
@@ -618,7 +618,7 @@ function add_accordion_start($html, $attributes, $itemcount, $alignclass)
     if ($isAccordionEnabled) {
         enqueue_accordion_frontend();
         $titleText = esc_html(trim($attributes['title_text'])) ?: __('Table of Contents', 'simpletoc');
-        $accordionStart = '<h2 style="margin: 0;"><button type="button" aria-expanded="false" aria-controls="simpletoc-content" class="simpletoc-collapsible">' . $titleText . '</button></h2><div class="simpletoc-content">';
+        $accordionStart = '<h2 style="margin: 0;"><button type="button" aria-expanded="false" aria-controls="simpletoc-content-container" class="simpletoc-collapsible">' . $titleText . '</button></h2><div id="simpletoc-content-container" class="simpletoc-content">';
         $accordionEnd = '</div>';
     }
 
diff --git a/readme.txt b/readme.txt
index ed00297..8db6f1c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags: Gutenberg, block, TOC, Table of Contents, AMP
 Requires at least: 5.9
 Donate link: https://marc.tv/out/donate
 Tested up to: 6.3
-Stable tag: 6.0.8
+Stable tag: 6.0.9
 Requires PHP: 7.0
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -50,7 +50,7 @@ SimpleTOC is open-source and developed on [GitHub Pages](https://github.com/mtoe
 
 == Changelog ==
 
-= 6.0.8 =
+= 6.0.9 =
 * Added ARIA accessibility labels for the accordion. Thanks Amber Hinds!
 * Fixed: Caching of accordion JavaScript. Thanks jghitchcock!
 * Added correct ARIA controls attribute.