diff --git a/closure-compiler.gemspec b/closure-compiler.gemspec
index d103006..b52bcca 100644
--- a/closure-compiler.gemspec
+++ b/closure-compiler.gemspec
@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.name      = 'closure-compiler'
-  s.version   = '1.1.10'            # Keep version in sync with closure-compiler.rb
-  s.date      = '2013-05-28'
+  s.version   = '1.1.11'            # Keep version in sync with closure-compiler.rb
+  s.date      = '2014-07-30'
 
   s.homepage    = "http://github.com/documentcloud/closure-compiler/"
   s.summary     = "Ruby Wrapper for the Google Closure Compiler"
diff --git a/lib/closure-compiler-20130411.jar b/lib/closure-compiler-20130411.jar
deleted file mode 100755
index 70cdddc..0000000
Binary files a/lib/closure-compiler-20130411.jar and /dev/null differ
diff --git a/lib/closure-compiler-20140730.jar b/lib/closure-compiler-20140730.jar
new file mode 100644
index 0000000..00bf145
Binary files /dev/null and b/lib/closure-compiler-20140730.jar differ
diff --git a/lib/closure-compiler.rb b/lib/closure-compiler.rb
index 3ba80f1..88aa63d 100644
--- a/lib/closure-compiler.rb
+++ b/lib/closure-compiler.rb
@@ -1,8 +1,8 @@
 module Closure
 
-  VERSION           = "1.1.10"
+  VERSION           = "1.1.11"
 
-  COMPILER_VERSION  = "20130411"
+  COMPILER_VERSION  = "20140730"
 
   JAVA_COMMAND      = 'java'
 
diff --git a/lib/closure/compiler.rb b/lib/closure/compiler.rb
index a891cba..9d39a6a 100644
--- a/lib/closure/compiler.rb
+++ b/lib/closure/compiler.rb
@@ -11,7 +11,7 @@ class Error < StandardError; end
   class Compiler
 
     attr_accessor :options
-    
+
     DEFAULT_OPTIONS = {
       :warning_level => 'QUIET',
       :language_in => 'ECMASCRIPT5'
@@ -58,7 +58,8 @@ def compile_files(files)
       @options.merge!(:js => files)
 
       begin
-        result = `#{command} 2>&1`
+        redirect_stderr = "2>&1" if !Gem.win_platform?
+        result = `#{command} #{redirect_stderr}`
       rescue Exception
         raise Error, "compression failed: #{result}"
       end