ffprober.gemspec in ffprober-0.4.6 vs ffprober.gemspec in ffprober-0.5.1

@@ -20,7 +20,7 @@
   spec.require_paths = ["lib"]
 
   spec.required_ruby_version = '~> 2.0'
 
   spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency "minitest"
 end