diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_block.yml b/core/modules/migrate_drupal/config/install/migrate.migration.d6_block.yml
index 1a9db7a..9458854 100644
--- a/core/modules/migrate_drupal/config/install/migrate.migration.d6_block.yml
+++ b/core/modules/migrate_drupal/config/install/migrate.migration.d6_block.yml
@@ -59,3 +59,4 @@ destination:
   plugin: entity:block
 migration_dependencies:
   - d6_menu: false
+  - d6_custom_block: false