diff --git a/app/src/main/java/com/example/tampopo_client/models/User.java b/app/src/main/java/com/example/tampopo_client/models/User.java
index 6f5a2a5..1b6e7de 100644
--- a/app/src/main/java/com/example/tampopo_client/models/User.java
+++ b/app/src/main/java/com/example/tampopo_client/models/User.java
@@ -2,7 +2,7 @@
 
 public class User {
 
-    private Integer userId; //ユーザーID
+    private String userId; //ユーザーID
     private String  name; //ニックネーム
     private String  email; //メールアドレス
     private String  icon; //アイコン
@@ -17,10 +17,10 @@
     }
 
 
-    public Integer getId()             {
+    public String getId()             {
         return userId;
     }
-    public void    setId(Integer userId)   {
+    public void    setId(String userId)   {
         this.userId = userId;
     }