diff --git a/migrations/1537452694_app.down.sql b/migrations/1537452694_app.down.sql
new file mode 100644
index 0000000..6fa2da7
--- /dev/null
+++ b/migrations/1537452694_app.down.sql
@@ -0,0 +1 @@
+alter table bot drop column lang;
diff --git a/migrations/1537452694_app.up.sql b/migrations/1537452694_app.up.sql
new file mode 100644
index 0000000..e2d0bd2
--- /dev/null
+++ b/migrations/1537452694_app.up.sql
@@ -0,0 +1 @@
+alter table bot add column lang varchar(2);