Ruby Gem和Sanitize的问题

Ruby Gem和Sanitize的问题,ruby,gem,sanitize,Ruby,Gem,Sanitize,我正在尝试安装Ruby gem sanitize。我已经安装了nokogiri: >gem list nokogiri *** LOCAL GEMS *** nokogiri (1.4.0) 但当我尝试安装sanitize时,会出现以下错误: >gem install rgrove-sanitize ERROR: Error installing rgrove-sanitize: rgrove-sanitize requires nokogiri (~> 1.3.3,

我正在尝试安装Ruby gem sanitize。我已经安装了nokogiri:

>gem list nokogiri

*** LOCAL GEMS ***

nokogiri (1.4.0)
但当我尝试安装sanitize时,会出现以下错误:

>gem install rgrove-sanitize
ERROR:  Error installing rgrove-sanitize:
rgrove-sanitize requires nokogiri (~> 1.3.3, runtime)
rgrove sanitize使用,在本例中,这意味着您需要1.3.3或更高版本的Nokogiri,但小于1.4(这是您所拥有的)。您需要安装Nokogiri的正确版本:

>gem install --version "~> 1.3.3" nokogiri