diff --git a/Gemfile.lock b/Gemfile.lock
index 2994928..344fa73 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,7 +5,9 @@ PATH
       capybara (~> 3)
       execjs (~> 2)
       listen (~> 3)
+      minitest (~> 5)
       rails (>= 6.1.7.8, < 8)
+      rspec (~> 3)
       ruby2js (~> 5)
 
 GEM
diff --git a/clapton.gemspec b/clapton.gemspec
index e3da7cc..306ff7c 100644
--- a/clapton.gemspec
+++ b/clapton.gemspec
@@ -25,4 +25,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency "listen", "~> 3"
   spec.add_dependency "capybara", "~> 3"
   spec.add_dependency "execjs", "~>2"
+  spec.add_dependency "minitest", "~>5"
+  spec.add_dependency "rspec", "~>3"
 end