diff --git a/db/mysql/migrations/07_event_data_cascade_delete/migration.sql b/db/mysql/migrations/07_event_data_cascade_delete/migration.sql
new file mode 100644
index 000000000..a92f5e209
--- /dev/null
+++ b/db/mysql/migrations/07_event_data_cascade_delete/migration.sql
@@ -0,0 +1,5 @@
+-- AlterTable
+ALTER TABLE 
+  event_data 
+ADD 
+  CONSTRAINT fk_website_event FOREIGN KEY (website_event_id) REFERENCES website_event(event_id) ON DELETE CASCADE;
diff --git a/db/postgresql/migrations/07_event_data_cascade_delete/migration.sql b/db/postgresql/migrations/07_event_data_cascade_delete/migration.sql
new file mode 100644
index 000000000..a92f5e209
--- /dev/null
+++ b/db/postgresql/migrations/07_event_data_cascade_delete/migration.sql
@@ -0,0 +1,5 @@
+-- AlterTable
+ALTER TABLE 
+  event_data 
+ADD 
+  CONSTRAINT fk_website_event FOREIGN KEY (website_event_id) REFERENCES website_event(event_id) ON DELETE CASCADE;