diff --git a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
index e855ba0..a8443ac 100644
--- a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
+++ b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
@@ -3,5 +3,14 @@
 import android.app.Application;
 
 public class Cosmos extends Application {
+    private String token;
+
+    public void setToken(String token){
+        this.token = token;
+    }
+
+    public String getToken(){
+        return this.token;
+    }
 
 }
diff --git a/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java b/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
index b01364f..c7c74de 100644
--- a/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
@@ -11,6 +11,7 @@
 import android.widget.Toast;
 
 import com.example.cosmosclient.R;
+import com.example.cosmosclient.app.Cosmos;
 import com.example.cosmosclient.resources.UsersRest;
 
 import retrofit2.Call;
@@ -65,6 +66,8 @@
                     public void onResponse(Call<SigninResponse> call, Response<SigninResponse> response) {
                         if (response.isSuccessful()) {
                             SigninResponse result = response.body();
+                            Cosmos app = (Cosmos)getApplication();
+                            app.setToken(result.token);
                             Intent intent = new Intent(getApplication(), GroupList.class);
                             Toast.makeText(SigninActivity.this,
                                     "ログインしました", Toast.LENGTH_SHORT).show();