diff --git a/README.md b/README.md
index a8e05bd..ea5554a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Fcmpush [![Build Status](https://travis-ci.org/miyataka/fcmpush.svg?branch=master)](https://travis-ci.org/miyataka/fcmpush) [![Gem Version](https://badge.fury.io/rb/fcmpush.svg)](https://badge.fury.io/rb/fcmpush)
+# Fcmpush [![Build Status](https://github.com/miyataka/fcmpush/actions/workflows/test.yml/badge.svg)](https://github.com/miyataka/fcmpush/actions) [![Gem Version](https://badge.fury.io/rb/fcmpush.svg)](https://badge.fury.io/rb/fcmpush)
 
 Fcmpush is an Firebase Cloud Messaging(FCM) Client. It implements [FCM HTTP v1 API](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages), including **Auto Refresh** access_token feature, and batch request!!
 This gem supports HTTP v1 API only, **NOT supported [legacy HTTP protocol](https://firebase.google.com/docs/cloud-messaging/http-server-ref)**.
diff --git a/lib/fcmpush/client.rb b/lib/fcmpush/client.rb
index 2548f2b..1ef8945 100644
--- a/lib/fcmpush/client.rb
+++ b/lib/fcmpush/client.rb
@@ -122,7 +122,7 @@ def v1_authorized_header(headers)
       def legacy_authorized_header(headers)
         headers.merge('Content-Type' => 'application/json',
                       'Accept' => 'application/json',
-                      'Authorization' => "Bearer key=#{server_key}")
+                      'Authorization' => "Bearer #{server_key}")
       end
 
       def exception_handler(response)
diff --git a/lib/fcmpush/version.rb b/lib/fcmpush/version.rb
index 1cd67e4..79f5d0f 100644
--- a/lib/fcmpush/version.rb
+++ b/lib/fcmpush/version.rb
@@ -1,3 +1,3 @@
 module Fcmpush
-  VERSION = '1.4.0'.freeze
+  VERSION = '1.4.1'.freeze
 end