diff --git a/lib/Migration/ResetSessionsBeforeYjs.php b/lib/Migration/ResetSessionsBeforeYjs.php
index a9ad5d451c9..be6fc9f37c7 100644
--- a/lib/Migration/ResetSessionsBeforeYjs.php
+++ b/lib/Migration/ResetSessionsBeforeYjs.php
@@ -4,16 +4,16 @@
 
 use OCA\Text\Db\SessionMapper;
 use OCA\Text\Service\DocumentService;
-use OCP\IConfig;
+use OCP\IAppConfig;
 use OCP\Migration\IOutput;
 use OCP\Migration\IRepairStep;
 
 class ResetSessionsBeforeYjs implements IRepairStep {
-	private IConfig $config;
+	private IAppConfig $config;
 	private SessionMapper $sessionMapper;
 	private DocumentService $documentService;
 
-	public function __construct(IConfig $config,
+	public function __construct(IAppConfig $config,
 		SessionMapper $sessionMapper,
 		DocumentService $documentService) {
 		$this->config = $config;
@@ -34,7 +34,7 @@ public function getName(): string {
 	 * @return void
 	 */
 	public function run(IOutput $output): void {
-		$appVersion = $this->config->getAppValue('text', 'installed_version');
+		$appVersion = $this->config->getValueString('text', 'installed_version');
 
 		if (!$appVersion || version_compare($appVersion, '3.7.2') !== -1) {
 			return;
diff --git a/lib/Service/ConfigService.php b/lib/Service/ConfigService.php
index 1ab6e65ae7d..3bb7b27e0b7 100644
--- a/lib/Service/ConfigService.php
+++ b/lib/Service/ConfigService.php
@@ -3,25 +3,26 @@
 namespace OCA\Text\Service;
 
 use OCA\Text\AppInfo\Application;
+use OCP\IAppConfig;
 use OCP\IConfig;
 
 class ConfigService {
-	private IConfig $config;
-
-	public function __construct(IConfig $config) {
-		$this->config = $config;
+	public function __construct(
+		private IAppConfig $appConfig,
+		private IConfig $config,
+	) {
 	}
 
 	public function getDefaultFileExtension(): string {
-		return $this->config->getAppValue(Application::APP_NAME, 'default_file_extension', 'md');
+		return $this->appConfig->getValueString(Application::APP_NAME, 'default_file_extension', 'md');
 	}
 
 	public function isRichEditingEnabled(): bool {
-		return ($this->config->getAppValue(Application::APP_NAME, 'rich_editing_enabled', '1') === '1');
+		return ($this->appConfig->getValueString(Application::APP_NAME, 'rich_editing_enabled', '1') === '1');
 	}
 
 	public function isRichWorkspaceAvailable(): bool {
-		return $this->config->getAppValue(Application::APP_NAME, 'workspace_available', '1') === '1';
+		return $this->appConfig->getValueString(Application::APP_NAME, 'workspace_available', '1') === '1';
 	}
 
 	public function isRichWorkspaceEnabledForUser(?string $userId): bool {