diff --git a/github_changelog_generator.gemspec b/github_changelog_generator.gemspec
index a449e68..3fe5427 100644
--- a/github_changelog_generator.gemspec
+++ b/github_changelog_generator.gemspec
@@ -24,11 +24,9 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
+  spec.add_runtime_dependency "rake", "~> 10.0"
+  spec.add_runtime_dependency "bundler", "~> 1.7"
   spec.add_runtime_dependency("github_api", ["~> 0.12"])
   spec.add_runtime_dependency("colorize", ["~> 0.7"])
   spec.add_runtime_dependency("overcommit", "~>0.31")
-
-  # Development only
-  spec.add_development_dependency "bundler", "~> 1.7"
-  spec.add_development_dependency "rake", "~> 10.0"
 end