diff --git a/boxenprofiler.gemspec b/boxenprofiler.gemspec
index df05a97..17539c8 100644
--- a/boxenprofiler.gemspec
+++ b/boxenprofiler.gemspec
@@ -18,6 +18,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'fuubar', '~> 2.3.0'
   s.add_development_dependency 'goodcop', '~> 0.5.0'
   s.add_development_dependency 'rake', '~> 12.3.0'
-  s.add_development_dependency 'rspec', '~> 3.7.0'
+  s.add_development_dependency 'rspec', '~> 3.8.0'
   s.add_development_dependency 'rubocop', '~> 0.58.0'
 end