diff --git a/Storage/DoctrineStorage.php b/Storage/DoctrineStorage.php
index b2c5334c..a3c33878 100644
--- a/Storage/DoctrineStorage.php
+++ b/Storage/DoctrineStorage.php
@@ -152,7 +152,7 @@ private function tableExists() {
 	private function createTable() {
 		$table = new Table(self::TABLE, [
 			new Column($this->keyColumn, Type::getType(Types::STRING), ['length' => 255]),
-			new Column($this->valueColumn, Type::getType(Types::ARRAY), ['length' => 255]),
+			new Column($this->valueColumn, Type::getType(Types::TEXT)),
 		]);
 
 		$table->setPrimaryKey([$this->keyColumn]);
diff --git a/phpstan-config.neon b/phpstan-config.neon
index 07bb6adc..fa0ac671 100644
--- a/phpstan-config.neon
+++ b/phpstan-config.neon
@@ -63,10 +63,6 @@ parameters:
 		-
 			message: '#^Cannot call method fetchColumn\(\) on Doctrine\\DBAL\\Result\|int\|string\.$#'
 			path: Storage/DoctrineStorage.php
-		# TODO remove as soon as Doctrine DBAL >= 3.0 is required
-		-
-			message: '#^Access to undefined constant Doctrine\\DBAL\\Types\\Type::(STRING|TARRAY)\.$#'
-			path: Storage/DoctrineStorage.php
 		# TODO remove as soon as Doctrine DBAL >= 3.1 is required
 		-
 			message: "#^Call to function method_exists\\(\\) with Doctrine\\\\DBAL\\\\Connection and 'createSchemaManager' will always evaluate to true\\.$#"
@@ -78,9 +74,3 @@ parameters:
 				Use \\{@see createSchemaManager\\(\\)\\} instead\\.$#
 			"""
 			path: Storage/DoctrineStorage.php
-		-
-			message: """
-				#^Fetching deprecated class constant ARRAY of class Doctrine\\\\DBAL\\\\Types\\\\Types:
-				Use \\{@link Types::JSON} instead\\.$#
-			"""
-			path: Storage/DoctrineStorage.php