diff --git a/ChangeLog b/ChangeLog
index 1b83be546a0704..556996f68dd88d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Nov 14 17:25:15 2015  Tanaka Akira  <akr@fsij.org>
+
+	* lib/resolv-replace.rb: Specify frozen_string_literal: true.
+
 Sat Nov 14 17:00:13 2015  Tanaka Akira  <akr@fsij.org>
 
 	* lib/time.rb: Specify frozen_string_literal: true.
diff --git a/lib/resolv-replace.rb b/lib/resolv-replace.rb
index 3e28a843fd936a..a83e79d99603d4 100644
--- a/lib/resolv-replace.rb
+++ b/lib/resolv-replace.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'socket'
 require 'resolv'