diff --git a/cf-deploy.gemspec b/cf-deploy.gemspec
index ac68258..76a3ce4 100644
--- a/cf-deploy.gemspec
+++ b/cf-deploy.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'rake'
 
   spec.add_development_dependency 'bundler', '~> 1.5'
-  spec.add_development_dependency 'rspec', '~> 3.0.0'
+  spec.add_development_dependency 'rspec', '~> 3.8.0'
   spec.add_development_dependency 'simplecov', '~> 0.7.1'
   spec.add_development_dependency 'codeclimate-test-reporter'
 end