diff --git a/mainnet.tf b/mainnet.tf
index f63e036..f167258 100644
--- a/mainnet.tf
+++ b/mainnet.tf
@@ -62,7 +62,7 @@ module "nimbus_nodes_mainnet_stable_small" {
 
   /* Scaling */
   type          = "t3a.large"
-  root_vol_size = 20
+  root_vol_size = 30
   data_vol_size = 600
   data_vol_type = "gp2"
   host_count    = 2