--- a/koan/app.py
+++ b/koan/app.py
@@ -727,7 +727,7 @@ class Koan:
 
             (make, version) = utils.os_release()
 
-            if (make == "centos" and version < 6) or (make == "redhat" and version < 6) or (make == "fedora" and version < 10):
+            if (make == "centos" and version < 8) or (make == "redhat" and version < 8) or (make == "fedora" and version < 10):
 
                 # embed the initrd in the kickstart file because of libdhcp and/or pump
                 # needing the help due to some DHCP timeout potential in some certain
@@ -808,7 +808,7 @@ class Koan:
 
             (make, version) = utils.os_release()
 
-            if (make == "centos" and version < 6) or (make == "redhat" and version < 7) or (make == "fedora" and version < 10):
+            if (make == "centos" and version < 8) or (make == "redhat" and version < 8) or (make == "fedora" and version < 10):
 
                 # embed the initrd in the kickstart file because of libdhcp and/or pump
                 # needing the help due to some DHCP timeout potential in some certain