diff --git a/packages/backend/test-federation/compose.tpl.yml b/packages/backend/test-federation/compose.tpl.yml
index 2a49558149..a50f5e5345 100644
--- a/packages/backend/test-federation/compose.tpl.yml
+++ b/packages/backend/test-federation/compose.tpl.yml
@@ -21,7 +21,7 @@ services:
       - type: bind
         source: ../../../built
         target: /misskey/built
-        read_only: true
+        read_only: false
       - type: bind
         source: ../assets
         target: /misskey/packages/backend/assets