diff --git a/lib/deploygate.rb b/lib/deploygate.rb
index 1bdc4db..433b765 100644
--- a/lib/deploygate.rb
+++ b/lib/deploygate.rb
@@ -1,3 +1,4 @@
+require "resolv-replace"
 require "commander"
 require "json"
 require "httpclient"