diff --git a/Gemfile b/Gemfile
index 13eff23..c909de6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ group :development do
   gem "guard-bundler", "~> 0.1.3"
   gem "guard-rspec", "~> 0.5.2"
   gem "guard-shell", "~> 0.1.1"
-  gem 'rb-fsevent', "~> 0.4.3.1"
+  gem 'rb-fsevent', "~> 0.4.3.1", :platforms => [:mri]
   gem 'growl', "~> 1.0.3"
 
   gem 'awesome_print'
diff --git a/Gemfile.lock b/Gemfile.lock
index da13c8a..f9e6d87 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,6 +24,11 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.7.1)
       slop (>= 2.4.4, < 3)
+    pry (0.9.9.6-java)
+      coderay (~> 1.0.5)
+      method_source (~> 0.7.1)
+      slop (>= 2.4.4, < 3)
+      spoon (~> 0.0)
     rake (0.9.2.2)
     rb-fsevent (0.4.3.1)
     rspec (2.10.0)
@@ -36,9 +41,11 @@ GEM
     rspec-mocks (2.10.1)
     ruby-prof (0.11.2)
     slop (2.4.4)
+    spoon (0.0.1)
     thor (0.14.6)
 
 PLATFORMS
+  java
   ruby
 
 DEPENDENCIES