diff --git a/migrations/20240208162234_add-subject-id.sql b/migrations/20240208162234_add-subject-id.sql
new file mode 100644
index 0000000..4aa23e0
--- /dev/null
+++ b/migrations/20240208162234_add-subject-id.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `Subject`
+ADD `id` int UNIQUE NOT NULL AUTO_INCREMENT;