diff --git a/appinfo/info.xml b/appinfo/info.xml
index 8a570c9..3daa82b 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -11,7 +11,7 @@
     <description><![CDATA[Push update support for desktop app.
 
 Once the app is installed, the push binary needs to be setup. You can either use the setup wizard with `occ notify_push:setup` or see the [README](http://github.com/nextcloud/notify_push) for detailed setup instructions]]></description>
-    <version>1.3.2</version>
+    <version>1.3.3</version>
     <licence>agpl</licence>
     <author>Robin Appelman</author>
     <namespace>NotifyPush</namespace>
@@ -27,7 +27,7 @@ Once the app is installed, the push binary needs to be setup. You can either use
     <bugs>https://github.com/nextcloud/notify_push/issues</bugs>
 
     <dependencies>
-        <nextcloud min-version="29" max-version="34"/>
+        <nextcloud min-version="30" max-version="34"/>
     </dependencies>
 
     <repair-steps>
diff --git a/lib/Listener.php b/lib/Listener.php
index a5526ae..97b13ee 100644
--- a/lib/Listener.php
+++ b/lib/Listener.php
@@ -22,6 +22,7 @@
 use OCP\Notification\IDismissableNotifier;
 use OCP\Notification\INotification;
 use OCP\Notification\INotifier;
+use OCP\Notification\UnknownNotificationException;
 use OCP\Share\Events\ShareCreatedEvent;
 use OCP\Share\IShare;
 
@@ -102,7 +103,7 @@ public function getName(): string {
 	}
 
 	public function prepare(INotification $notification, string $languageCode): INotification {
-		throw new \InvalidArgumentException();
+		throw new UnknownNotificationException();
 	}
 
 	public function dismissNotification(INotification $notification): void {
diff --git a/psalm.xml b/psalm.xml
index 55758e1..7a44419 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -8,7 +8,7 @@
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns="https://getpsalm.org/schema/config"
 	xsi:schemaLocation="https://getpsalm.org/schema/config https://getpsalm.org/schema/config"
-	phpVersion="8.0"
+	phpVersion="8.1"
 >
 	<projectFiles>
 		<directory name="lib"/>