diff --git a/jekyll-theme-chirpy.gemspec b/jekyll-theme-chirpy.gemspec
index 67e765a..082ace3 100644
--- a/jekyll-theme-chirpy.gemspec
+++ b/jekyll-theme-chirpy.gemspec
@@ -7,13 +7,22 @@ Gem::Specification.new do |spec|
   spec.email         = ["cotes.chung@gmail.com"]
 
   spec.summary       = "Chirpy is a minimal, sidebar, responsive web design Jekyll theme that focuses on text presentation."
-  spec.homepage      = "https://github.com/cotes2020/jekyll-theme-chirpy#readme"
+  spec.homepage      = "https://github.com/cotes2020/jekyll-theme-chirpy"
   spec.license       = "MIT"
 
   spec.files         = `git ls-files -z`.split("\x0").select { |f|
     f.match(%r!^((assets\/(css|img|js\/[a-z])|_(includes|layouts|sass|config|data|tabs|plugins))|README|LICENSE|index|feed|app|sw|404|robots)!i)
   }
 
+  spec.metadata = {
+    "bug_tracker_uri"   => "https://github.com/cotes2020/jekyll-theme-chirpy/issues",
+    "documentation_uri" => "https://github.com/cotes2020/jekyll-theme-chirpy/blob/master/README.md",
+    "homepage_uri"      => "https://cotes2020.github.io/chirpy-demo",
+    "source_code_uri"   => "https://github.com/cotes2020/jekyll-theme-chirpy",
+    "wiki_uri"          => "https://github.com/cotes2020/jekyll-theme-chirpy/wiki",
+    "plugin_type"       => "theme"
+  }
+
   spec.add_runtime_dependency "jekyll", "~> 4.1"
   spec.add_runtime_dependency "jekyll-paginate", "~> 1.1"
   spec.add_runtime_dependency "jekyll-redirect-from", "~> 0.16"
@@ -21,6 +30,4 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "jekyll-archives", "~> 2.2"
   spec.add_runtime_dependency "jekyll-sitemap", "~> 1.4"
 
-  spec.add_development_dependency "html-proofer", "~> 3.18"
-
 end