diff --git a/appinfo/info.xml b/appinfo/info.xml
index 2ae9761e05a..4de99f98a38 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -11,7 +11,7 @@
 - **💾 Open format:** Files are saved as [Markdown](https://en.wikipedia.org/wiki/Markdown), so you can edit them from any other text app too.
 - **✊ Strong foundation:** We use [🐈 tiptap](https://tiptap.scrumpy.io) which is based on [🦉 ProseMirror](https://prosemirror.net) – huge thanks to them!
 	]]></description>
-	<version>3.9.0</version>
+	<version>3.9.1</version>
 	<licence>agpl</licence>
 	<author mail="jus@bitgrid.net">Julius Härtl</author>
 	<namespace>Text</namespace>
diff --git a/composer/composer/autoload_classmap.php b/composer/composer/autoload_classmap.php
index 12a05698cd5..1a882d0c791 100644
--- a/composer/composer/autoload_classmap.php
+++ b/composer/composer/autoload_classmap.php
@@ -49,6 +49,7 @@
     'OCA\\Text\\Migration\\ResetSessionsBeforeYjs' => $baseDir . '/../lib/Migration/ResetSessionsBeforeYjs.php',
     'OCA\\Text\\Migration\\Version010000Date20190617184535' => $baseDir . '/../lib/Migration/Version010000Date20190617184535.php',
     'OCA\\Text\\Migration\\Version030001Date20200402075029' => $baseDir . '/../lib/Migration/Version030001Date20200402075029.php',
+    'OCA\\Text\\Migration\\Version03009Date20231114150437' => $baseDir . '/../lib/Migration/Version03009Date20231114150437.php',
     'OCA\\Text\\Migration\\Version030201Date20201116110353' => $baseDir . '/../lib/Migration/Version030201Date20201116110353.php',
     'OCA\\Text\\Migration\\Version030201Date20201116123153' => $baseDir . '/../lib/Migration/Version030201Date20201116123153.php',
     'OCA\\Text\\Migration\\Version030501Date20220202101853' => $baseDir . '/../lib/Migration/Version030501Date20220202101853.php',
diff --git a/composer/composer/autoload_static.php b/composer/composer/autoload_static.php
index 4d34f834925..30d9fde4c2a 100644
--- a/composer/composer/autoload_static.php
+++ b/composer/composer/autoload_static.php
@@ -64,6 +64,7 @@ class ComposerStaticInitText
         'OCA\\Text\\Migration\\ResetSessionsBeforeYjs' => __DIR__ . '/..' . '/../lib/Migration/ResetSessionsBeforeYjs.php',
         'OCA\\Text\\Migration\\Version010000Date20190617184535' => __DIR__ . '/..' . '/../lib/Migration/Version010000Date20190617184535.php',
         'OCA\\Text\\Migration\\Version030001Date20200402075029' => __DIR__ . '/..' . '/../lib/Migration/Version030001Date20200402075029.php',
+        'OCA\\Text\\Migration\\Version03009Date20231114150437' => __DIR__ . '/..' . '/../lib/Migration/Version03009Date20231114150437.php',
         'OCA\\Text\\Migration\\Version030201Date20201116110353' => __DIR__ . '/..' . '/../lib/Migration/Version030201Date20201116110353.php',
         'OCA\\Text\\Migration\\Version030201Date20201116123153' => __DIR__ . '/..' . '/../lib/Migration/Version030201Date20201116123153.php',
         'OCA\\Text\\Migration\\Version030501Date20220202101853' => __DIR__ . '/..' . '/../lib/Migration/Version030501Date20220202101853.php',
diff --git a/lib/Migration/Version03009Date20231114150437.php b/lib/Migration/Version03009Date20231114150437.php
new file mode 100644
index 00000000000..327fd05dbad
--- /dev/null
+++ b/lib/Migration/Version03009Date20231114150437.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Julius Härtl <jus@bitgrid.net>
+ *
+ * @authorJulius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Text\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version03009Date20231114150437 extends SimpleMigrationStep {
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		$schema = $schemaClosure();
+		if ($schema->hasTable('text_steps')) {
+			$table = $schema->getTable('text_steps');
+			if ($table->hasIndex('ts_session')) {
+				$table->dropIndex('ts_session');
+				return $schema;
+			}
+		}
+		return null;
+	}
+}