puppet enterprise installer error

I am getting below error while installing puppet master in my centos6.5 machine. kindly advise?

[root@ip-172-30-0-189 puppet-enterprise-3.7.2-el-7-x86_64]# ./puppet-enterprise-installer
=============================================================================================================================================================================

Puppet Enterprise v3.7.2 installer

Puppet Enterprise documentation can be found at http://docs.puppetlabs.com/pe/3.7/
=============================================================================================================================================================================

!! ERROR: This is a supported platform, but this is not the installer for this platform. Please use the platform specific installer
(puppet-enterprise-3.7.2-el-6-x86_64). It can be found at: http://links.puppetlabs.com/puppet_enterprise_3.7_download

=============================================================================================================================================================================
[root@ip-172-30-0-189 puppet-enterprise-3.7.2-el-7-x86_64]# pwd
/root/puppet-enterprise-3.7.2-el-7-x86_64
[root@ip-172-30-0-189 puppet-enterprise-3.7.2-el-7-x86_64]#

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