diff --git a/chewy.gemspec b/chewy.gemspec
index 73a7aba03..63fd8edf9 100644
--- a/chewy.gemspec
+++ b/chewy.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'rspec'
+  spec.add_development_dependency 'rspec', '~> 2.14'
   spec.add_development_dependency 'sqlite3'
   spec.add_development_dependency 'kaminari'
   spec.add_development_dependency 'activerecord', '>= 3.2'