licensed.gemspec in licensed-2.4.0 vs licensed.gemspec in licensed-2.5.0

@@ -34,6 +34,7 @@
   spec.add_development_dependency "minitest", "~> 5.8"
   spec.add_development_dependency "mocha", "~> 1.0"
   spec.add_development_dependency "rubocop", "~> 0.49", "< 0.67"
   spec.add_development_dependency "rubocop-github", "~> 0.6"
   spec.add_development_dependency "byebug", "~> 10.0.0"
+  spec.add_development_dependency "spy",  "~> 1.0.0"
 end