diff --git a/ircp.gemspec b/ircp.gemspec
index 2841f89..6b27550 100644
--- a/ircp.gemspec
+++ b/ircp.gemspec
@@ -17,5 +17,5 @@ Gem::Specification.new do |gem|
 
   gem.add_dependency 'treetop', '>= 1.4.10'
   gem.add_development_dependency 'rake', '~> 0.9.2'
-  gem.add_development_dependency 'rspec', '~> 2.10.0'
+  gem.add_development_dependency 'rspec', '~> 3.9.0'
 end