diff --git a/group_vars/ocinode.yml b/group_vars/ocinode.yml
index 7f06eb1..d66dfb6 100644
--- a/group_vars/ocinode.yml
+++ b/group_vars/ocinode.yml
@@ -1,8 +1,8 @@
 ---
 # increase memory size
-mem_size: 4096
+mem_size: 8192
 # increase disk size to store docker images
-dsk_size: 50
+dsk_size: 100
 
 firewall_in:
   - {proto: tcp, port: 22, from: [172.20.20.0/22]}