diff --git a/multi_json.gemspec b/multi_json.gemspec
index f66387a..a1902c3 100644
--- a/multi_json.gemspec
+++ b/multi_json.gemspec
@@ -22,6 +22,6 @@ Gem::Specification.new do |spec|
   }
 
   spec.required_rubygems_version = ">= 1.3.5"
-  spec.add_development_dependency "rake", ">= 12.3.3"
+  spec.add_development_dependency "rake", "~> 10.5"
   spec.add_development_dependency "rspec", "~> 3.9"
 end