diff --git a/src/domains/gps-common/03_postgresql_gpd_db.tf b/src/domains/gps-common/03_postgresql_gpd_db.tf
index eaa8cb1ab..61648f67f 100644
--- a/src/domains/gps-common/03_postgresql_gpd_db.tf
+++ b/src/domains/gps-common/03_postgresql_gpd_db.tf
@@ -69,7 +69,7 @@ module "postgres_flexible_server_private_db" {
   delegated_subnet_id           = module.postgres_flexible_snet[0].id
   public_network_access_enabled = var.pgres_flex_params.public_network_access_enabled
 
-  ### admin credentials
+  ### admin credentials
   administrator_login    = data.azurerm_key_vault_secret.pgres_admin_login.value
   administrator_password = data.azurerm_key_vault_secret.pgres_admin_pwd.value
 
@@ -89,7 +89,7 @@ module "postgres_flexible_server_private_db" {
 
   tags = var.tags
 
-  # alert section
+  # alert section
   custom_metric_alerts = var.pgres_flex_params.alerts_enabled ? var.pgflex_public_metric_alerts : {}
   alerts_enabled       = var.pgres_flex_params.alerts_enabled
 
diff --git a/src/domains/gps-common/03_postgresql_replica.tf b/src/domains/gps-common/03_postgresql_replica.tf
index 9f67f3282..a676027bc 100644
--- a/src/domains/gps-common/03_postgresql_replica.tf
+++ b/src/domains/gps-common/03_postgresql_replica.tf
@@ -35,15 +35,20 @@ module "postgresql_gpd_replica_db" {
   delegated_subnet_id      = module.postgres_flexible_snet_replica[0].id
   private_endpoint_enabled = var.pgres_flex_params.private_endpoint_enabled
 
-  sku_name = "GP_Standard_D16ds_v4" # var.pgres_flex_params.sku_name  NEWGPD-DB : DEPRECATED switch to var.pgres_flex_params.sku_name
+  sku_name = var.pgres_flex_params.sku_name
 
   high_availability_enabled = false
   pgbouncer_enabled         = var.pgres_flex_params.pgbouncer_enabled
 
-  source_server_id = module.postgres_flexible_server_private[0].id # NEWGPD-DB : DEPRECATED switch to new istance postgres_flexible_server_private_db
+  storage_mb = var.pgres_flex_params.storage_mb
+
+  source_server_id = module.postgres_flexible_server_private_db.id #NEWGPD-DB : DEPRECATED switch to new istance postgres_flexible_server_private_db
 
   diagnostic_settings_enabled = false
 
+  max_connections    = var.pgres_flex_params.max_connections
+  max_worker_process = var.pgres_flex_params.max_worker_process
+
   log_analytics_workspace_id = data.azurerm_log_analytics_workspace.log_analytics.id
   zone                       = 2
   tags                       = var.tags
diff --git a/src/domains/gps-common/99_main.tf b/src/domains/gps-common/99_main.tf
index f3a312e06..be0483d72 100644
--- a/src/domains/gps-common/99_main.tf
+++ b/src/domains/gps-common/99_main.tf
@@ -35,5 +35,6 @@ data "azurerm_subscription" "current" {}
 data "azurerm_client_config" "current" {}
 
 module "__v3__" {
-  source = "git::https://github.com/pagopa/terraform-azurerm-v3?ref=v8.63.0"
-}
\ No newline at end of file
+  # 8.64.0
+  source = "git::https://github.com/pagopa/terraform-azurerm-v3?ref=ff49c94c7bfb8f2867e550483d8acc125bf516a7"
+}
diff --git a/src/domains/gps-common/README.md b/src/domains/gps-common/README.md
index 94db18f62..7f0bb060e 100644
--- a/src/domains/gps-common/README.md
+++ b/src/domains/gps-common/README.md
@@ -13,7 +13,7 @@
 
 | Name | Source | Version |
 |------|--------|---------|
-| <a name="module___v3__"></a> [\_\_v3\_\_](#module\_\_\_v3\_\_) | git::https://github.com/pagopa/terraform-azurerm-v3 | v8.63.0 |
+| <a name="module___v3__"></a> [\_\_v3\_\_](#module\_\_\_v3\_\_) | git::https://github.com/pagopa/terraform-azurerm-v3 | ff49c94c7bfb8f2867e550483d8acc125bf516a7 |
 | <a name="module_flows"></a> [flows](#module\_flows) | ./.terraform/modules/__v3__/storage_account | n/a |
 | <a name="module_gpd_cosmosdb_containers"></a> [gpd\_cosmosdb\_containers](#module\_gpd\_cosmosdb\_containers) | ./.terraform/modules/__v3__/cosmosdb_sql_container | n/a |
 | <a name="module_gpd_cosmosdb_database"></a> [gpd\_cosmosdb\_database](#module\_gpd\_cosmosdb\_database) | ./.terraform/modules/__v3__/cosmosdb_sql_database | n/a |
diff --git a/src/domains/gps-common/env/weu-uat/terraform.tfvars b/src/domains/gps-common/env/weu-uat/terraform.tfvars
index 85eb63674..6a7f8be2d 100644
--- a/src/domains/gps-common/env/weu-uat/terraform.tfvars
+++ b/src/domains/gps-common/env/weu-uat/terraform.tfvars
@@ -72,7 +72,7 @@ pgres_flex_params = {
   standby_availability_zone                        = 2
   pgbouncer_enabled                                = true
   alerts_enabled                                   = false
-  max_connections                                  = 5000
+  max_connections                                  = 1700
   enable_private_dns_registration                  = true
   enable_private_dns_registration_virtual_endpoint = false
   max_worker_process                               = 32