diff --git a/README b/README
index 729103f..5bfd11f 100644
--- a/README
+++ b/README
@@ -2,4 +2,10 @@ For guidance and usage examples, visit:
 http://forge.kayako.com/projects/kayako-ruby-api-library
 
 For help and support from the Kayako developer community, visit:
-http://forums.kayako.com/
\ No newline at end of file
+http://forums.kayako.com/
+
+
+In this there is some major changes related to download of attachment.
+It is compatible with ruby 1.9.x.
+
+As in higher version of ruby there is a support for encodings this issue has been solved in this commit.
\ No newline at end of file
diff --git a/lib/kayako_client/mixins/attachment.rb b/lib/kayako_client/mixins/attachment.rb
index 8a38500..a2a57c1 100644
--- a/lib/kayako_client/mixins/attachment.rb
+++ b/lib/kayako_client/mixins/attachment.rb
@@ -55,7 +55,8 @@ def file
                 @file
             elsif contents
                 raise RuntimeError, "not a remote file" unless id && !new?
-                @file = Tempfile.new(file_name.split('.').first || 'kayako_attachment')
+                @file = Tempfile.new([file_name.split('.').first || 'kayako_attachment', "."+file_name.split('.').last])
+                @file.binmode
                 @file.write(contents)
                 @file.flush
                 @file.rewind
diff --git a/lib/kayako_client/user.rb b/lib/kayako_client/user.rb
index e4ea021..55e304c 100644
--- a/lib/kayako_client/user.rb
+++ b/lib/kayako_client/user.rb
@@ -26,7 +26,7 @@ class User < KayakoClient::Base
         property :enable_dst,           :boolean
         property :sla_plan_id,          :integer
         property :sla_plan_expiry,      :date
-        property :password,             :string, :new => true, :required => :post
+        property :password,             :string, :required => :post
         property :send_welcome_email,   :boolean, :new => true
 
         associate :user_group,          :user_group_id,        UserGroup