diff --git a/migrations/m160111_084713_translate.php b/migrations/m160111_084713_translate.php
new file mode 100644
index 0000000..263ac97
--- /dev/null
+++ b/migrations/m160111_084713_translate.php
@@ -0,0 +1,17 @@
+<?php
+
+use yii\db\Schema;
+use yii\db\Migration;
+
+class m160111_084713_translate extends Migration
+{
+    public function safeUp()
+    {
+        $this->alterColumn('{{language_source}}', 'message', 'longtext NULL');
+    }
+
+    public function safeDown()
+    {
+        $this->alterColumn('{{language_source}}', 'message', Schema::TYPE_TEXT . ' NULL');
+    }
+}