diff --git a/hello_world_gem.gemspec b/hello_world_gem.gemspec
index 60a261c..3705909 100644
--- a/hello_world_gem.gemspec
+++ b/hello_world_gem.gemspec
@@ -18,6 +18,6 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 13.0"
-  gem.add_development_dependency "rspec", "~> 3.7"
+  spec.add_development_dependency "rspec", "~> 3.7"
   spec.add_development_dependency "minitest", "~> 5.0"
 end