diff --git a/packages/backend/test-federation/compose.a.yml b/packages/backend/test-federation/compose.a.yml
index 0c9155d8d2..7b26963866 100644
--- a/packages/backend/test-federation/compose.a.yml
+++ b/packages/backend/test-federation/compose.a.yml
@@ -43,7 +43,7 @@ services:
       - type: bind
         source: ./.config/a.test.default.json
         target: /misskey/.config/default.json
-        read_only: true
+        read_only: false
 
   db.a.test:
     extends:
diff --git a/packages/backend/test-federation/compose.b.yml b/packages/backend/test-federation/compose.b.yml
index ae05a8cbd4..da2837920c 100644
--- a/packages/backend/test-federation/compose.b.yml
+++ b/packages/backend/test-federation/compose.b.yml
@@ -43,7 +43,7 @@ services:
       - type: bind
         source: ./.config/b.test.default.json
         target: /misskey/.config/default.json
-        read_only: true
+        read_only: false
 
   db.b.test:
     extends: