diff --git a/packages/backend/test-federation/compose.yml b/packages/backend/test-federation/compose.yml
index 6851256533..6c545398e0 100644
--- a/packages/backend/test-federation/compose.yml
+++ b/packages/backend/test-federation/compose.yml
@@ -46,6 +46,10 @@ services:
         source: ../vitest.config.ts
         target: /misskey/packages/backend/vitest.config.ts
         read_only: true
+      - type: bind
+        source: ../vitest.config.fed.ts
+        target: /misskey/packages/backend/vitest.config.fed.ts
+        read_only: true
       - type: bind
         source: ../scripts/convert_config.js
         target: /misskey/packages/backend/scripts/convert_config.js