diff --git a/migrations/0007_hero_image_fields.sql b/migrations/0007_hero_image_fields.sql
new file mode 100644
index 0000000..1526777
--- /dev/null
+++ b/migrations/0007_hero_image_fields.sql
@@ -0,0 +1,23 @@
+-- Add hero_image_id column to globals that got heroImage upload field
+ALTER TABLE "group_visits_page" ADD COLUMN IF NOT EXISTS "hero_image_id" integer;
+ALTER TABLE "birthday_page"     ADD COLUMN IF NOT EXISTS "hero_image_id" integer;
+ALTER TABLE "dyvolis_page"      ADD COLUMN IF NOT EXISTS "hero_image_id" integer;
+
+-- Foreign keys (media table stores all uploaded files)
+DO $$ BEGIN
+  ALTER TABLE "group_visits_page"
+    ADD CONSTRAINT "group_visits_page_hero_image_id_media_id_fk"
+    FOREIGN KEY ("hero_image_id") REFERENCES "media"("id") ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  ALTER TABLE "birthday_page"
+    ADD CONSTRAINT "birthday_page_hero_image_id_media_id_fk"
+    FOREIGN KEY ("hero_image_id") REFERENCES "media"("id") ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  ALTER TABLE "dyvolis_page"
+    ADD CONSTRAINT "dyvolis_page_hero_image_id_media_id_fk"
+    FOREIGN KEY ("hero_image_id") REFERENCES "media"("id") ON DELETE SET NULL;
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;