diff --git a/Rakefile b/Rakefile
index 26705a73..86213916 100644
--- a/Rakefile
+++ b/Rakefile
@@ -19,6 +19,8 @@ begin
     gem.add_dependency("yui-compressor")
     gem.add_dependency("haml", ">=2.1.0")
     gem.add_dependency("compass")
+    gem.add_development_dependency("rspec")
+    gem.add_development_dependency("sdoc")
   end
   
   Jeweler::RubyforgeTasks.new do |rubyforge|
diff --git a/lib/middleman/templater+dynamic_renderer.rb b/lib/middleman/templater+dynamic_renderer.rb
index 6ec760bd..27f4ba24 100644
--- a/lib/middleman/templater+dynamic_renderer.rb
+++ b/lib/middleman/templater+dynamic_renderer.rb
@@ -21,8 +21,8 @@ class Templater::Actions::Template
 
   def identical?
     if File.exists?(destination)
-      extension = File.extname(destination)
-      return true if !%w(.css .js).include?(extension) && File.exists?(source) && File.mtime(source) < File.mtime(destination)
+      extension = File.extname(source)
+      return true if !%w(.sass .js .haml).include?(extension) && File.exists?(source) && File.mtime(source) < File.mtime(destination)
       File.read(destination) == render 
     else
       false
diff --git a/middleman.gemspec b/middleman.gemspec
index d0b7d0eb..de29c438 100644
--- a/middleman.gemspec
+++ b/middleman.gemspec
@@ -5,7 +5,7 @@
 
 Gem::Specification.new do |s|
   s.name = %q{middleman}
-  s.version = "0.9.15"
+  s.version = "0.9.16"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Thomas Reynolds"]