diff --git a/inventory/group_vars/koschei-backend b/inventory/group_vars/koschei-backend
index 03097157c9..ff75bd071a 100644
--- a/inventory/group_vars/koschei-backend
+++ b/inventory/group_vars/koschei-backend
@@ -1,7 +1,7 @@
 ---
 # Define resources for this group of hosts here.
 lvm_size: 60000
-mem_size: 4096
+mem_size: 8192
 num_cpus: 4
 
 # for systems that do not match the above - specify the same parameter in