diff --git a/xCAT-server-2.0/xCAT-server.spec b/xCAT-server-2.0/xCAT-server.spec
index ff0e517f8..d81757b78 100644
--- a/xCAT-server-2.0/xCAT-server.spec
+++ b/xCAT-server-2.0/xCAT-server.spec
@@ -15,7 +15,7 @@ BuildRoot: /var/tmp/%{name}-%{version}-%{release}-root
 # also need to fix Requires for AIX
 %ifos linux
 BuildArch: noarch
-Requires: perl-IO-Socket-SSL perl-XML-Simple
+Requires: perl-IO-Socket-SSL perl-XML-Simple perl-IO-Socket-INET6
 %endif
 
 Requires: perl-xCAT = %{version}