diff --git a/migrations/dlu/3_add_performance_cost.sql b/migrations/dlu/3_add_performance_cost.sql
new file mode 100644
index 00000000..8d9bc6e9
--- /dev/null
+++ b/migrations/dlu/3_add_performance_cost.sql
@@ -0,0 +1 @@
+ALTER TABLE properties ADD COLUMN performance_cost DOUBLE(20, 15);
\ No newline at end of file