diff --git a/backend/prisma/migrations/20251031181430_add_user_theme_preferences/migration.sql b/backend/prisma/migrations/20251031181430_add_user_theme_preferences/migration.sql
new file mode 100644
index 0000000..e8ec45a
--- /dev/null
+++ b/backend/prisma/migrations/20251031181430_add_user_theme_preferences/migration.sql
@@ -0,0 +1,6 @@
+-- AlterTable
+ALTER TABLE "users" ADD COLUMN IF NOT EXISTS "theme_preference" VARCHAR(10) DEFAULT 'dark';
+
+-- AlterTable
+ALTER TABLE "users" ADD COLUMN IF NOT EXISTS "color_theme" VARCHAR(50) DEFAULT 'cyber_blue';
+