diff --git a/private/minis-backend/src/main/kotlin/de/walamana/plugins/Databases.kt b/private/minis-backend/src/main/kotlin/de/walamana/plugins/Databases.kt
index a0a4d2e..e0d82b4 100644
--- a/private/minis-backend/src/main/kotlin/de/walamana/plugins/Databases.kt
+++ b/private/minis-backend/src/main/kotlin/de/walamana/plugins/Databases.kt
@@ -29,6 +29,7 @@ fun Application.configureDatabases() {
         SchemaUtils.create(GottesdienstGroups)
         SchemaUtils.create(Gottesdienste)
         SchemaUtils.create(Marks)
+        // TODO Add proper versioning and migration for database
         exec("ALTER TABLE MINISTRANTEN ALTER COLUMN birthday BIGINT NULL;")
     }
 }