diff --git a/examples/advanced/main.tf b/examples/advanced/main.tf
index 802bf9a3..a122656e 100644
--- a/examples/advanced/main.tf
+++ b/examples/advanced/main.tf
@@ -39,7 +39,7 @@ locals {
 
 module "event_streams" {
   source            = "terraform-ibm-modules/event-streams/ibm"
-  version           = "3.4.18"
+  version           = "4.0.1"
   es_name           = "${var.prefix}-eventsteams-instance"
   tags              = var.resource_tags
   region            = var.region
diff --git a/examples/basic/main.tf b/examples/basic/main.tf
index 813a7e3c..5fa97ea7 100644
--- a/examples/basic/main.tf
+++ b/examples/basic/main.tf
@@ -20,7 +20,7 @@ locals {
 
 module "event_streams" {
   source            = "terraform-ibm-modules/event-streams/ibm"
-  version           = "3.4.18"
+  version           = "4.0.1"
   es_name           = "${var.prefix}-eventsteams"
   tags              = var.resource_tags
   region            = var.region
diff --git a/tests/resources/main.tf b/tests/resources/main.tf
index db86b65d..6ac7a9e4 100644
--- a/tests/resources/main.tf
+++ b/tests/resources/main.tf
@@ -16,7 +16,7 @@ module "resource_group" {
 
 module "cos" {
   source            = "terraform-ibm-modules/cos/ibm"
-  version           = "8.21.25"
+  version           = "9.1.0"
   resource_group_id = module.resource_group.resource_group_id
   cos_instance_name = "${var.prefix}-cos"
   cos_tags          = var.resource_tags
@@ -34,7 +34,7 @@ locals {
 
 module "buckets" {
   source  = "terraform-ibm-modules/cos/ibm//modules/buckets"
-  version = "8.21.25"
+  version = "9.1.0"
   bucket_configs = [
     {
       bucket_name            = local.logs_bucket_name