diff --git a/DatabaseMigrations/4.sql b/DatabaseMigrations/4.sql
new file mode 100644
index 00000000..070ca7ff
--- /dev/null
+++ b/DatabaseMigrations/4.sql
@@ -0,0 +1,8 @@
+create table Tokens
+(
+    UserId int  not null,
+    MMAuth text not null
+);
+
+create unique index Tokens_MMAuth_uindex
+    on Tokens (MMAuth);