diff --git a/smashing.gemspec b/smashing.gemspec
index c8f1cb2..4f1fbd6 100644
--- a/smashing.gemspec
+++ b/smashing.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |s|
   s.add_dependency('sinatra', '~> 1.4.4')
   s.add_dependency('sinatra-contrib', '~> 1.4.2')
   s.add_dependency('thin', '~> 1.6.1')
-  s.add_dependency('rufus-scheduler', '~> 2.0.24')
+  s.add_dependency('rufus-scheduler', '~> 3.2.0')
   s.add_dependency('thor', '~> 0.19')
   s.add_dependency('sprockets', '~> 2.10.1')
   s.add_dependency('rack', '~> 1.5.4')