diff --git a/src/server_status_detector.rb b/src/server_status_detector.rb
index 3375d52..b87d767 100644
--- a/src/server_status_detector.rb
+++ b/src/server_status_detector.rb
@@ -24,7 +24,7 @@ module ServerStatusDetector
     # @param port [Integer]
     # @param timeout [Integer]
     # @return [Hash{Symbol=>Integer, Symbol=>Symbol, Symbol=>Float,nil}]
-    def self.test_port(host = '127.0.0.1', port = 25_565, timeout = 10)
+    def self.test_port(host = '127.0.0.1', port = 25_565, timeout = 2)
       result = {
         port: port,
         status: :unknown,
diff --git a/src/updates.rb b/src/updates.rb
index 4902ed2..38d8901 100644
--- a/src/updates.rb
+++ b/src/updates.rb
@@ -18,7 +18,7 @@ require 'net/http'
 require 'uri'
 
 # @type const RELEASE_SERIAL_CODE: String
-RELEASE_SERIAL_CODE = '13c4c19'
+RELEASE_SERIAL_CODE = '13c4c19git '
 # @type const CHANNEL: String
 CHANNEL = 'dev'
 # @type const VERSION_LIST_URL: String