diff --git a/src/utils/tokenUtils.ts b/src/utils/tokenUtils.ts
index c675d5f..5efad9a 100644
--- a/src/utils/tokenUtils.ts
+++ b/src/utils/tokenUtils.ts
@@ -8,7 +8,8 @@ function issueToken(payload: object) {
 function issueTokenByUserId(userId: string) {
     const payload = {
         sub: userId,
-        role: Role.PARENT
+        role: Role.PARENT,
+        home_group_id: "TODO" // やる
     };
 
     const options = {