diff --git a/middleman-more/middleman-more.gemspec b/middleman-more/middleman-more.gemspec
index 4fe0ace9..d1c40043 100644
--- a/middleman-more/middleman-more.gemspec
+++ b/middleman-more/middleman-more.gemspec
@@ -21,8 +21,8 @@ Gem::Specification.new do |s|
   s.add_dependency("middleman-core", Middleman::VERSION)
   s.add_dependency("uglifier", ["~> 1.2.0"])
   s.add_dependency("haml", ["~> 3.1.0"])
-  s.add_dependency("sass", ["~> 3.1.7"])
-  s.add_dependency("compass", ["0.12.0"])
+  s.add_dependency("sass", [">= 3.1.7"])
+  s.add_dependency("compass", ["~> 0.12.0"])
   s.add_dependency("coffee-script", ["~> 2.2.0"])
   s.add_dependency("execjs", ["~> 1.2"])
   s.add_dependency("sprockets", ["~> 2.1"])