diff --git a/lib/units/device/resources/service.js b/lib/units/device/resources/service.js
index 91c689b1..97463b4c 100644
--- a/lib/units/device/resources/service.js
+++ b/lib/units/device/resources/service.js
@@ -23,7 +23,7 @@ module.exports = syrup.serial()
       pathutil.vendor('STFService/wire.proto'))
 
     var resource = {
-      requiredVersion: '2.5.4'
+      requiredVersion: '2.5.5'
     , pkg: 'jp.co.cyberagent.stf'
     , main: 'jp.co.cyberagent.stf.Agent'
     , apk: pathutil.vendor('STFService/STFService.apk')
diff --git a/vendor/STFService/STFService.apk b/vendor/STFService/STFService.apk
index 5ece65c0..65aef54b 100644
Binary files a/vendor/STFService/STFService.apk and b/vendor/STFService/STFService.apk differ