diff --git a/inventory/group_vars/releng-compose b/inventory/group_vars/releng-compose
index 57edff3fc3..051bf8839b 100644
--- a/inventory/group_vars/releng-compose
+++ b/inventory/group_vars/releng-compose
@@ -1,10 +1,10 @@
 ---
 # common items for the releng-* boxes
 lvm_size: 100000
-mem_size: 16384
+mem_size: 32768
 num_cpus: 16
-ks_url: http://10.5.126.23/repo/rhel/ks/kvm-fedora-25
-ks_repo: http://10.5.126.23/pub/fedora/linux/releases/25/Server/x86_64/os/
+ks_url: http://10.5.126.23/repo/rhel/ks/kvm-fedora-26
+ks_repo: http://10.5.126.23/pub/fedora/linux/releases/26/Server/x86_64/os/
 virt_install_command: "{{ virt_install_command_two_nic }}"
 
 nm: 255.255.255.0