diff --git a/workspaces.tf b/workspaces.tf
index ad8cd99..2ac2396 100644
--- a/workspaces.tf
+++ b/workspaces.tf
@@ -23,6 +23,7 @@ locals {
 
     test = {
       /* Settings specific to the test fleet/workspace. */
+      store_db_data_vol_size = 150
     }
     staging = {
       /* Settings specific to the test fleet/workspace. */