diff --git a/lib/Mapper.php b/lib/Mapper.php
index 1e90a27..53cf517 100644
--- a/lib/Mapper.php
+++ b/lib/Mapper.php
@@ -559,10 +559,11 @@ public function create(array $data, array $options = [])
      *
      * @param string         $sql        Raw query or SQL to run against the datastore
      * @param array Optional $conditions Array of binds in column => value pairs to use for prepared statement
+     * @param array Optional $types      Array of DBAL column types (e.g. to specify custom type for IN () condition)
      */
-    public function query($sql, array $params = [])
+    public function query($sql, array $params = [], array $types = [])
     {
-        $result = $this->connection()->executeQuery($sql, $params);
+        $result = $this->connection()->executeQuery($sql, $params, $types);
         if ($result) {
             return $this->collection($result);
         }
diff --git a/tests/QuerySql.php b/tests/QuerySql.php
index 17a2fd9..234898e 100644
--- a/tests/QuerySql.php
+++ b/tests/QuerySql.php
@@ -404,6 +404,29 @@ public function testCustomQueryWithSqlAndNamedParams()
         $this->assertSame($postCount, $i);
     }
 
+    public function testCustomQueryWithSqlAndIndexedParamTypes()
+    {
+        $mapper = test_spot_mapper('SpotTest\Entity\Tag');
+        $names = ['Tag 1', 'Tag 2'];
+
+        $tags = $mapper->query(
+            "SELECT * FROM " . $mapper->table() . " WHERE name IN (?)",
+            [$names],
+            [\Doctrine\DBAL\Connection::PARAM_STR_ARRAY]
+        );
+        $this->assertInstanceOf('Spot\Entity\Collection', $tags);
+        $tagCount = count($tags);
+
+        $i = 0;
+        foreach ($tags as $tag) {
+            $i++;
+            $this->assertInstanceOf('SpotTest\Entity\Tag', $tag);
+            $this->assertContains($tag->getName(), $names);
+        }
+
+        $this->assertSame($tagCount, $i);
+    }
+
     /**
      * @dataProvider identifierProvider
      */