diff --git a/compass.gemspec b/compass.gemspec
index 481db7a2..0003448a 100644
--- a/compass.gemspec
+++ b/compass.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |gemspec|
   gemspec.rubygems_version = "1.3.5"
   gemspec.summary = %q{A Real Stylesheet Framework}
 
-  gemspec.add_dependency 'sass', '>= 3.1.0.alpha.218'
+  gemspec.add_dependency 'sass', '>= 3.1.0.alpha.249'
   gemspec.add_dependency 'chunky_png', '~> 0.12.0'
 
   gemspec.files = %w(README.markdown LICENSE.markdown VERSION.yml Rakefile)