diff --git a/project_template/app.rb b/project_template/app.rb
index d026e066..25356ecc 100644
--- a/project_template/app.rb
+++ b/project_template/app.rb
@@ -61,6 +61,9 @@
   #   ProconBypassMan::ExternalInput::Channels::SerialPortChannel.new(device_path: '/dev/serial0', baud_rate: 9600),
   #   ProconBypassMan::ExternalInput::Channels::TCPIPChannel.new(port: 9000),
   # ]
+else
+  require 'bundler'
+  Bundler.require(:default)
 end
 
 ProconBypassMan.run(setting_path: "/usr/share/pbm/current/setting.yml")
diff --git a/project_template/app.rb.erb b/project_template/app.rb.erb
index 2081cdd8..21479222 100644
--- a/project_template/app.rb.erb
+++ b/project_template/app.rb.erb
@@ -66,6 +66,9 @@ ProconBypassMan.configure do |config|
   #   ProconBypassMan::ExternalInput::Channels::SerialPortChannel.new(device_path: '/dev/serial0', baud_rate: 9600),
   #   ProconBypassMan::ExternalInput::Channels::TCPIPChannel.new(port: 9000),
   # ]
+else
+  require 'bundler'
+  Bundler.require(:default)
 end
 
 ProconBypassMan.run(setting_path: "/usr/share/pbm/current/setting.yml")