diff --git a/examples/complete/main.tf b/examples/complete/main.tf
index 02e3ac56..ab9495c8 100644
--- a/examples/complete/main.tf
+++ b/examples/complete/main.tf
@@ -45,7 +45,7 @@ locals {
 
 module "cos" {
   source                 = "terraform-ibm-modules/cos/ibm"
-  version                = "8.15.5"
+  version                = "8.15.6"
   resource_group_id      = module.resource_group.resource_group_id
   region                 = var.region
   cos_instance_name      = "${var.prefix}-cos"
diff --git a/examples/fscloud/main.tf b/examples/fscloud/main.tf
index 98763d6f..066d74ac 100644
--- a/examples/fscloud/main.tf
+++ b/examples/fscloud/main.tf
@@ -77,7 +77,7 @@ locals {
 
 module "cos" {
   source              = "terraform-ibm-modules/cos/ibm//modules/fscloud"
-  version             = "8.15.5"
+  version             = "8.15.6"
   resource_group_id   = module.resource_group.resource_group_id
   create_cos_instance = true
   cos_instance_name   = "${var.prefix}-cos"
diff --git a/solutions/standard/main.tf b/solutions/standard/main.tf
index 3df8a047..69c36440 100644
--- a/solutions/standard/main.tf
+++ b/solutions/standard/main.tf
@@ -247,7 +247,7 @@ locals {
 module "cos" {
   count                               = local.create_cos_bucket ? 1 : 0
   source                              = "terraform-ibm-modules/cos/ibm"
-  version                             = "8.15.5"
+  version                             = "8.15.6"
   create_cos_instance                 = var.existing_cos_instance_crn == null ? true : false
   create_cos_bucket                   = local.create_cos_bucket
   existing_cos_instance_id            = var.existing_cos_instance_crn
diff --git a/tests/existing-resources/main.tf b/tests/existing-resources/main.tf
index d66ae81d..024344e8 100644
--- a/tests/existing-resources/main.tf
+++ b/tests/existing-resources/main.tf
@@ -18,7 +18,7 @@ module "event_notification" {
 
 module "cos" {
   source                 = "terraform-ibm-modules/cos/ibm"
-  version                = "8.15.5"
+  version                = "8.15.6"
   resource_group_id      = module.resource_group.resource_group_id
   region                 = var.region
   cos_instance_name      = "${var.prefix}-cos"