diff --git a/lib/yui/compressor.rb b/lib/yui/compressor.rb
index 515ccf8..76cbf9f 100644
--- a/lib/yui/compressor.rb
+++ b/lib/yui/compressor.rb
@@ -131,7 +131,7 @@ def java_opts
       end
 
       def path_to_jar_file
-        options.delete(:jar_file) || File.join(File.dirname(__FILE__), *%w".. yuicompressor-2.4.8.jar")
+        options.delete(:jar_file) || File.join(File.dirname(__FILE__), *%w".. yuicompressor-2.4.9.jar")
       end
 
       def streamify(stream_or_string)
diff --git a/lib/yuicompressor-2.4.8.jar b/lib/yuicompressor-2.4.9.jar
similarity index 88%
rename from lib/yuicompressor-2.4.8.jar
rename to lib/yuicompressor-2.4.9.jar
index a1cf0a0..3fb4e0f 100644
Binary files a/lib/yuicompressor-2.4.8.jar and b/lib/yuicompressor-2.4.9.jar differ