diff --git a/jekyll.gemspec b/jekyll.gemspec
index 2b2ef131..8371c91e 100644
--- a/jekyll.gemspec
+++ b/jekyll.gemspec
@@ -56,7 +56,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency('maruku', "~> 0.7.0")
   s.add_development_dependency('rdiscount', "~> 1.6")
   s.add_development_dependency('launchy', "~> 2.3")
-  s.add_development_dependency('simplecov', "~> 0.7")
+  s.add_development_dependency('simplecov', "~> 0.9")
   s.add_development_dependency('simplecov-gem-adapter', "~> 1.0.1")
   s.add_development_dependency('mime-types', "~> 1.5")
   s.add_development_dependency('activesupport', '~> 3.2.13')