diff --git a/xCAT-rmc/xCAT-rmc.spec b/xCAT-rmc/xCAT-rmc.spec
index 2fa840c71..9724d98ab 100644
--- a/xCAT-rmc/xCAT-rmc.spec
+++ b/xCAT-rmc/xCAT-rmc.spec
@@ -15,8 +15,8 @@ BuildRoot: /var/tmp/%{name}-%{version}-%{release}-root
 BuildArch: noarch
 %endif
 
-Requires: perl-xCAT = %{version}
-Requires: xCAT-server  = %{version}
+Requires: perl-xCAT = %{epoch}:%{version}
+Requires: xCAT-server  = %{epoch}:%{version}
 
 Provides: xCAT-rmc = %{version}
 
diff --git a/xCAT-server/xCAT-server.spec b/xCAT-server/xCAT-server.spec
index 3fcfe56ad..a3ab585f4 100644
--- a/xCAT-server/xCAT-server.spec
+++ b/xCAT-server/xCAT-server.spec
@@ -19,10 +19,10 @@ BuildArch: noarch
 Requires: perl-IO-Socket-SSL perl-XML-Simple
 %endif
 
-Requires: perl-xCAT = %{version}
-Requires: xCAT-client  = %{version}
+Requires: perl-xCAT = %{epoch}:%{version}
+Requires: xCAT-client  = %{epoch}:%{version}
 
-Provides: xCAT-server = %{version}
+Provides: xCAT-server = %{epoch}:%{version}
 
 %description
 xCAT-server provides the core server and configuration management components of xCAT.  This package should be installed on your management server