diff --git a/groups/heritage-shared-infrastructure/profiles/heritage-staging-eu-west-2/vars b/groups/heritage-shared-infrastructure/profiles/heritage-staging-eu-west-2/vars
index c9648f3..a9dc84b 100644
--- a/groups/heritage-shared-infrastructure/profiles/heritage-staging-eu-west-2/vars
+++ b/groups/heritage-shared-infrastructure/profiles/heritage-staging-eu-west-2/vars
@@ -159,8 +159,8 @@ rds_databases = {
     backup_retention_period    = 2
     multi_az                   = true
     engine                     = "oracle-se2"
-    major_engine_version       = "12.1"
-    engine_version             = "12.1.0.2.v26"
+    major_engine_version       = "19"
+    engine_version             = "19"
     auto_minor_version_upgrade = true
     license_model              = "license-included"
     rds_maintenance_window     = "Wed:00:00-Wed:03:00"
@@ -481,13 +481,9 @@ parameter_group_settings = {
       name  = "aq_tm_processes"
       value = "6"
     },
-    {
-      name  = "sec_case_sensitive_logon"
-      value = "TRUE"
-    },
     {
       name         = "compatible"
-      value        = "12.1.0.2.0"
+      value        = "19.0.0"
       apply_method = "pending-reboot"
     },
     {
@@ -533,6 +529,14 @@ parameter_group_settings = {
       value        = "6720"
       apply_method = "pending-reboot"
     },
+    {
+      name  = "sqlnetora.sqlnet.allowed_logon_version_client"
+      value = "10"
+    },
+    {
+      name  = "sqlnetora.sqlnet.allowed_logon_version_server"
+      value = "10"
+    },
     {
       name         = "timed_statistics"
       value        = "TRUE"