diff --git a/librato-rails.gemspec b/librato-rails.gemspec
index 9199f00..b621419 100644
--- a/librato-rails.gemspec
+++ b/librato-rails.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |s|
 
   s.add_dependency "railties", ">= 3.0"
   s.add_dependency "activesupport", ">= 3.0"
-  s.add_dependency "librato-rack", "~> 1.0.1"
+  s.add_dependency "librato-rack", "~> 1.1.0"
 
   s.add_development_dependency "sqlite3", ">= 1.3"
   s.add_development_dependency "capybara", "~> 2.0.3"