diff --git a/gollum.gemspec b/gollum.gemspec
index 9bef52e2..b5f07779 100644
--- a/gollum.gemspec
+++ b/gollum.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |s|
   s.extra_rdoc_files = %w[README.md LICENSE]
 
   s.add_dependency('gollum-lib', '~> 0.0.1')
-  s.add_dependency('sinatra', '~> 1.4.0')
+  s.add_dependency('sinatra', '~> 1.4.2')
   s.add_dependency('mustache', ['>= 0.99.4', '< 1.0.0'])
   s.add_dependency('useragent', '~> 0.4.16')
   s.add_dependency('stringex', '~> 1.5.1')