diff --git a/stringio.gemspec b/stringio.gemspec
index b40b7fc8..f9a07420 100644
--- a/stringio.gemspec
+++ b/stringio.gemspec
@@ -39,6 +39,8 @@ Gem::Specification.new do |s|
   s.required_ruby_version = ">= 2.7"
   s.summary = "Pseudo IO on String"
 
+  s.metadata["changelog_uri"] = "#{s.homepage}/releases/tag/v#{s.version}"
+
   # s.cert_chain  = %w[certs/nobu.pem]
   # s.signing_key = File.expand_path("~/.ssh/gem-private_key.pem") if $0 =~ /gem\z/
 end