diff --git a/examples/basic/main.tf b/examples/basic/main.tf
index 0c99449..4302b36 100644
--- a/examples/basic/main.tf
+++ b/examples/basic/main.tf
@@ -7,7 +7,7 @@ module "resource_group" {
 
 module "cos" {
   source                 = "terraform-ibm-modules/cos/ibm"
-  version                = "8.15.1"
+  version                = "8.15.4"
   cos_instance_name      = "${var.prefix}-cos"
   kms_encryption_enabled = false
   retention_enabled      = false
diff --git a/examples/complete/main.tf b/examples/complete/main.tf
index dccfd86..caa8a19 100644
--- a/examples/complete/main.tf
+++ b/examples/complete/main.tf
@@ -16,7 +16,7 @@ module "resource_group" {
 module "cos" {
   count                  = var.existing_scc_instance_crn == null ? 1 : 0
   source                 = "terraform-ibm-modules/cos/ibm"
-  version                = "8.15.1"
+  version                = "8.15.4"
   cos_instance_name      = "${var.prefix}-cos"
   kms_encryption_enabled = false
   retention_enabled      = false
@@ -30,7 +30,7 @@ module "cos" {
 
 module "event_notification" {
   source            = "terraform-ibm-modules/event-notifications/ibm"
-  version           = "1.14.9"
+  version           = "1.15.0"
   resource_group_id = module.resource_group.resource_group_id
   name              = "${var.prefix}-en"
   tags              = var.resource_tags
@@ -45,7 +45,7 @@ module "event_notification" {
 
 module "scc_wp" {
   source            = "terraform-ibm-modules/scc-workload-protection/ibm"
-  version           = "1.4.2"
+  version           = "1.4.3"
   name              = "${var.prefix}-wp"
   region            = var.region
   resource_group_id = module.resource_group.resource_group_id
diff --git a/tests/existing-resources/main.tf b/tests/existing-resources/main.tf
index a7a9124..ffc2876 100644
--- a/tests/existing-resources/main.tf
+++ b/tests/existing-resources/main.tf
@@ -7,7 +7,7 @@ module "resource_group" {
 
 module "cos" {
   source                 = "terraform-ibm-modules/cos/ibm"
-  version                = "8.15.1"
+  version                = "8.15.4"
   cos_instance_name      = "${var.prefix}-cos"
   kms_encryption_enabled = false
   retention_enabled      = false