diff --git a/core/Migrations/Version16000Date20190427105638.php b/core/Migrations/Version16000Date20190427105638.php
new file mode 100644
index 0000000000..ca5bf3fbb9
--- /dev/null
+++ b/core/Migrations/Version16000Date20190427105638.php
@@ -0,0 +1,86 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2019 Daniel Kesselberg <mail@danielkesselberg.de>
+ *
+ * @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 OC\Core\Migrations;
+
+use Closure;
+use Doctrine\DBAL\Types\Type;
+use OCP\DB\ISchemaWrapper;
+use OCP\IDBConnection;
+use OCP\Migration\SimpleMigrationStep;
+use OCP\Migration\IOutput;
+
+
+class Version16000Date20190427105638 extends SimpleMigrationStep {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 */
+	public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
+		$this->connection
+			->getQueryBuilder()
+			->delete('collres_accesscache')
+			->execute();
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @throws \Doctrine\DBAL\Schema\SchemaException
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('collres_accesscache')) {
+			$table = $schema->getTable('collres_accesscache');
+
+			$table->dropColumn('access');
+
+			$table->addColumn('access', Type::BOOLEAN, [
+				'notnull' => true,
+				'default' => false,
+			]);
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
+	}
+}
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index cad7c21a59..6fca1ce0ff 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -711,6 +711,7 @@ return array(
     'OC\\Core\\Migrations\\Version15000Date20181029084625' => $baseDir . '/core/Migrations/Version15000Date20181029084625.php',
     'OC\\Core\\Migrations\\Version16000Date20190207141427' => $baseDir . '/core/Migrations/Version16000Date20190207141427.php',
     'OC\\Core\\Migrations\\Version16000Date20190212081545' => $baseDir . '/core/Migrations/Version16000Date20190212081545.php',
+    'OC\\Core\\Migrations\\Version16000Date20190427105638' => $baseDir . '/core/Migrations/Version16000Date20190427105638.php',
     'OC\\Core\\Notification\\RemoveLinkSharesNotifier' => $baseDir . '/core/Notification/RemoveLinkSharesNotifier.php',
     'OC\\Core\\Service\\LoginFlowV2Service' => $baseDir . '/core/Service/LoginFlowV2Service.php',
     'OC\\DB\\Adapter' => $baseDir . '/lib/private/DB/Adapter.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 7a49d254e9..d145fb2ff8 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -741,6 +741,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\Core\\Migrations\\Version15000Date20181029084625' => __DIR__ . '/../../..' . '/core/Migrations/Version15000Date20181029084625.php',
         'OC\\Core\\Migrations\\Version16000Date20190207141427' => __DIR__ . '/../../..' . '/core/Migrations/Version16000Date20190207141427.php',
         'OC\\Core\\Migrations\\Version16000Date20190212081545' => __DIR__ . '/../../..' . '/core/Migrations/Version16000Date20190212081545.php',
+        'OC\\Core\\Migrations\\Version16000Date20190427105638' => __DIR__ . '/../../..' . '/core/Migrations/Version16000Date20190427105638.php',
         'OC\\Core\\Notification\\RemoveLinkSharesNotifier' => __DIR__ . '/../../..' . '/core/Notification/RemoveLinkSharesNotifier.php',
         'OC\\Core\\Service\\LoginFlowV2Service' => __DIR__ . '/../../..' . '/core/Service/LoginFlowV2Service.php',
         'OC\\DB\\Adapter' => __DIR__ . '/../../..' . '/lib/private/DB/Adapter.php',