diff --git a/passive_queue.gemspec b/passive_queue.gemspec
index c6404bc..f0de762 100644
--- a/passive_queue.gemspec
+++ b/passive_queue.gemspec
@@ -15,6 +15,9 @@ Gem::Specification.new do |spec|
   spec.metadata["homepage_uri"] = "https://github.com/mensfeld/passive_queue"
   spec.metadata["source_code_uri"] = "https://github.com/mensfeld/passive_queue"
   spec.metadata["changelog_uri"] = "https://github.com/mensfeld/passive_queue/blob/main/CHANGELOG.md"
+  spec.metadata["bug_tracker_uri"] = "https://github.com/mensfeld/passive_queue/issues"
+  spec.metadata["documentation_uri"] = "https://github.com/mensfeld/passive_queue"
+  spec.metadata["rubygems_mfa_required"] = "true"
 
   spec.files = Dir.chdir(__dir__) do
     `git ls-files -z`.split("\x0").reject do |f|