diff --git a/steam-condenser.gemspec b/steam-condenser.gemspec
index d1395a3..3a3d9e8 100644
--- a/steam-condenser.gemspec
+++ b/steam-condenser.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'rexml', '~> 3.2'
 
   s.add_development_dependency 'mocha', '~> 1.1'
-  s.add_development_dependency 'rake', '~> 10.4'
+  s.add_development_dependency 'rake', '~> 12.3'
   s.add_development_dependency 'shoulda-context', '~> 1.2'
   s.add_development_dependency 'test-unit', '~> 3.0'
   s.add_development_dependency 'yard', '~> 0.8'