diff --git a/inventory/group_vars/buildvm-aarch64 b/inventory/group_vars/buildvm-aarch64
index 283828d750..fa4743e35f 100644
--- a/inventory/group_vars/buildvm-aarch64
+++ b/inventory/group_vars/buildvm-aarch64
@@ -1,13 +1,13 @@
 ---
 # common items for the buildvm-aarch64* koji builders
 volgroup: /dev/vg_Server
-lvm_size: 150000
+lvm_size: 262144
 mem_size: 24576
 max_mem_size: "{{ mem_size }}"
 num_cpus: 4
 max_cpu: "{{ num_cpus }}"
-ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-24-aarch64
-ks_repo: http://10.5.126.23/pub/fedora-secondary/releases/24/Everything/aarch64/os/
+ks_url: http://10.5.126.23/repo/rhel/ks/buildvm-fedora-25-aarch64
+ks_repo: http://10.5.126.23/pub/fedora-secondary/releases/25/Everything/aarch64/os/
 nm: 255.255.255.0
 gw: 10.5.129.254
 dns: 10.5.126.21
@@ -18,7 +18,7 @@ main_bridge: br1
 nfs_bridge: br0
 virt_install_command: "{{ virt_install_command_aarch64 }}"
 
-krb_builder: False
+krb_builder: True
 
 # for systems that do not match the above - specify the same parameter in
 # the host_vars/$hostname file