diff --git a/github_changelog_generator.gemspec b/github_changelog_generator.gemspec
index df1d6f5..2d040ef 100644
--- a/github_changelog_generator.gemspec
+++ b/github_changelog_generator.gemspec
@@ -18,4 +18,5 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency(%q<httparty>, ["~> 0.6"])
   s.add_runtime_dependency(%q<github_api>, ["~> 0.12"])
 
+  s.executables   = %w(github_changelog_generator)
 end
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