diff --git a/Gemfile b/Gemfile
index 007b8f12..9a905618 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,6 +10,7 @@ group :test do
   gem "json"
   gem "pry-nav"
   gem "rack"
+  gem "rake"
   gem "rspec"
   gem "rubocop"
   gem "rubocop-github"
diff --git a/secure_headers.gemspec b/secure_headers.gemspec
index 5ba8fbb6..72990d0a 100644
--- a/secure_headers.gemspec
+++ b/secure_headers.gemspec
@@ -30,6 +30,4 @@ Gem::Specification.new do |gem|
   gem.extra_rdoc_files = Dir["README.md", "CHANGELOG.md", "LICENSE"]
 
   gem.add_dependency "cgi", ">= 0.1"
-
-  gem.add_development_dependency "rake"
 end