diff --git a/Doctrine/DBAL/Driver/PDODblib/Driver.php b/Doctrine/DBAL/Driver/PDODblib/Driver.php
index 3bf599f..5dc3acd 100644
--- a/Doctrine/DBAL/Driver/PDODblib/Driver.php
+++ b/Doctrine/DBAL/Driver/PDODblib/Driver.php
@@ -61,6 +61,14 @@ private function _constructPdoDsn(array $params) {
             $dsn .= ';charset=' . $params['charset'];
         }
 
+        if (isset($params['version'])) {
+            $dsn .= ';version=' . $params['version'];
+        }
+
+        if (isset($params['appname'])) {
+            $dsn .= ';appname=' . $params['appname'];
+        }
+
         return $dsn;
     }