diff --git a/.gitignore b/.gitignore
index 7dd07c5..2834533 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .idea
+nbproject
 doc
 *.gem
 .rvmrc
diff --git a/Rakefile b/Rakefile
index 2264634..f47116f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -8,6 +8,8 @@ task :clean do
 end
 
 require 'rspec/core/rake_task'
-RSpec::Core::RakeTask.new
+RSpec::Core::RakeTask.new do |spec|
+  spec.rspec_opts = ['--color', "--format documentation"]
+end
 
 task :default => :spec
diff --git a/therubyrhino.gemspec b/therubyrhino.gemspec
index 3e7d2f4..425b10e 100644
--- a/therubyrhino.gemspec
+++ b/therubyrhino.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.summary = %q{Embed the Rhino JavaScript interpreter into JRuby}
 
   s.add_development_dependency "rake"
-  s.add_development_dependency "rspec"
+  s.add_development_dependency "rspec", ">= 2.7"
   s.add_development_dependency "mocha"
   s.add_development_dependency "jruby-openssl"
 end