diff --git a/Gemfile b/Gemfile
index 7c83354..c73c89f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,3 +9,7 @@ gem 'memory_profiler'
 gem 'jaro_winkler', '>= 1.4.0'
 gem 'test-unit'
 gem "test-unit-ruby-core"
+
+group :development do
+  gem "rake"
+end
diff --git a/did_you_mean.gemspec b/did_you_mean.gemspec
index 8fe5723..be4ac76 100644
--- a/did_you_mean.gemspec
+++ b/did_you_mean.gemspec
@@ -22,6 +22,4 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.required_ruby_version = '>= 2.5.0'
-
-  spec.add_development_dependency "rake"
 end