diff --git a/valvat.gemspec b/valvat.gemspec
index 7e0d97c..873817f 100644
--- a/valvat.gemspec
+++ b/valvat.gemspec
@@ -32,7 +32,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rspec',       '>= 2.4.0'
   s.add_development_dependency 'guard-rspec', '>=0.1.9'
   s.add_development_dependency 'growl',       '>=1.0.3'
-  s.add_development_dependency 'rb-fsevent',  '>=0.3.9'
+  s.add_development_dependency 'rb-fsevent',  '>=0.9.1'
   s.add_development_dependency 'activemodel', '>=3.0'
   s.add_development_dependency 'fakeweb',     '>= 1.3.0'
 end