d_heap.gemspec in d_heap-0.3.0 vs d_heap.gemspec in d_heap-0.4.0

@@ -29,7 +29,8 @@
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) {|f| File.basename(f) }
   spec.require_paths = ["lib"]
   spec.extensions    = ["ext/d_heap/extconf.rb"]
 
-  spec.add_development_dependency "rspec-benchmark"
+  spec.add_development_dependency "benchmark_driver"
+  spec.add_development_dependency "ruby-prof"
 end