diff --git a/migrations/5.sql b/migrations/5.sql
new file mode 100644
index 0000000..1688126
--- /dev/null
+++ b/migrations/5.sql
@@ -0,0 +1,10 @@
+ALTER TABLE `instance` ADD COLUMN `geofence` varchar(255) DEFAULT NULL;
+
+CREATE TABLE IF NOT EXISTS `geofence` (
+    `name` varchar(255),
+    `type` enum('circle','geofence') NOT NULL,
+    `data` longtext NOT NULL,
+    PRIMARY KEY ('name')
+);
+
+-- TODO: foreign key constraint on update on delete etc for instances/geofences
\ No newline at end of file