diff --git a/middleman-x86-mingw32.gemspec b/middleman-x86-mingw32.gemspec
index 80348d4f..6a534198 100644
--- a/middleman-x86-mingw32.gemspec
+++ b/middleman-x86-mingw32.gemspec
@@ -26,7 +26,7 @@ Gem::Specification.new do |s|
   s.add_dependency("tilt", ["~> 1.3.1"])
   s.add_dependency("i18n", ["~> 0.6.0"])
   s.add_dependency("rack-test", ["~> 0.6.1"])
-  s.add_dependency("uglifier", ["~> 1.1.0"])
+  s.add_dependency("uglifier", ["~> 1.2.0"])
   s.add_dependency("haml", ["~> 3.1.0"])
   s.add_dependency("sass", ["~> 3.1.7"])
   s.add_dependency("activesupport", ["~> 3.1.0"])
@@ -34,22 +34,25 @@ Gem::Specification.new do |s|
   s.add_dependency("coffee-script", ["~> 2.2.0"])
   s.add_dependency("execjs", ["~> 1.2.7"])
   s.add_dependency("sprockets", ["~> 2.1.2"])
-  s.add_dependency("sprockets-sass", ["~> 0.3.0"])
-  s.add_dependency("guard", ["~> 0.8.8"])
+  s.add_dependency("sprockets-sass", ["~> 0.6.0"])
+  s.add_dependency("guard", ["~> 0.9.1"])
+  s.add_dependency("redcarpet", ["~> 2.0.0"])
   
   s.add_dependency("eventmachine", ["1.0.0.beta.4.1"])
   s.add_dependency("win32-process", ["~> 0.6.5"])
-  s.add_dependency("rb-fchange")
   
   # Development and test
   s.add_development_dependency("slim")
-  s.add_development_dependency("maruku")
+  s.add_development_dependency("sinatra")
   s.add_development_dependency("coffee-filter", ["~> 0.1.1"])
-  s.add_development_dependency("liquid", ["~> 2.2.0"])
+  s.add_development_dependency("liquid", ["~> 2.2"])
   s.add_development_dependency("cucumber", ["~> 1.1.0"])
+  s.add_development_dependency("aruba")
   s.add_development_dependency("rake", ["~> 0.9.2"])
-  s.add_development_dependency("rspec", ["~> 2.7.0"])
+  s.add_development_dependency("rspec", ["~> 2.7"])
+  s.add_development_dependency("rdoc", ["~> 3.9"])
+  s.add_development_dependency("yard")
   s.add_development_dependency("jquery-rails")
-  s.add_development_dependency("bootstrap-rails")
+  s.add_development_dependency("bootstrap-rails", ["0.0.5"])
 end
 
diff --git a/middleman.gemspec b/middleman.gemspec
index 0edec6b2..aa5e2e85 100644
--- a/middleman.gemspec
+++ b/middleman.gemspec
@@ -35,12 +35,9 @@ Gem::Specification.new do |s|
   s.add_dependency("execjs", ["~> 1.2.7"])
   s.add_dependency("sprockets", ["~> 2.1.2"])
   s.add_dependency("sprockets-sass", ["~> 0.6.0"])
-  s.add_dependency("guard", ["~> 0.8.8"])
+  s.add_dependency("guard", ["~> 0.9.1"])
   s.add_dependency("redcarpet", ["~> 2.0.0"])
   
-  # OSX
-  s.add_dependency("rb-fsevent")
-  
   # Development and test
   s.add_development_dependency("slim")
   s.add_development_dependency("sinatra")