diff --git a/parsby.gemspec b/parsby.gemspec
index 59eab73..977d67b 100644
--- a/parsby.gemspec
+++ b/parsby.gemspec
@@ -6,25 +6,26 @@ require "parsby/version"
 Gem::Specification.new do |spec|
   spec.name          = "parsby"
   spec.version       = Parsby::VERSION
+  spec.licenses      = ["MIT"]
   spec.authors       = ["Jorge Luis Martinez Gomez"]
   spec.email         = ["jol@jol.dev"]
 
   spec.summary       = %q{Parser combinator library inspired by Haskell's Parsec}
   #spec.description   = %q{TODO: Write a longer description or delete this line.}
-  #spec.homepage      = "TODO: Put your gem's website or public repo URL here."
+  spec.homepage      = "https://github.com/jolmg/parsby"
 
   # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
   # to allow pushing to a single host or delete this section to allow pushing to any host.
-  #if spec.respond_to?(:metadata)
-  #  spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
+  if spec.respond_to?(:metadata)
+    #spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
 
-  #  #spec.metadata["homepage_uri"] = spec.homepage
-  #  #spec.metadata["source_code_uri"] = "TODO: Put your gem's public repo URL here."
-  #  #spec.metadata["changelog_uri"] = "TODO: Put your gem's CHANGELOG.md URL here."
-  #else
-  #  raise "RubyGems 2.0 or newer is required to protect against " \
-  #    "public gem pushes."
-  #end
+    #spec.metadata["homepage_uri"] = spec.homepage
+    #spec.metadata["source_code_uri"] = "TODO: Put your gem's public repo URL here."
+    spec.metadata["changelog_uri"] = "https://github.com/jolmg/parsby/blob/master/CHANGELOG.md"
+  else
+    raise "RubyGems 2.0 or newer is required to protect against " \
+      "public gem pushes."
+  end
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -38,5 +39,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.17"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "pry"
+  spec.add_development_dependency "pry", "~> 0"
 end