diff --git a/README.md b/README.md
index 5414ca5d..72de3bb1 100644
--- a/README.md
+++ b/README.md
@@ -255,7 +255,7 @@ Optionally, you need the following permissions to attach Access Management tags
 | <a name="module_attach_sg_to_lb"></a> [attach\_sg\_to\_lb](#module\_attach\_sg\_to\_lb) | terraform-ibm-modules/security-group/ibm | 2.6.2 |
 | <a name="module_attach_sg_to_master_vpe"></a> [attach\_sg\_to\_master\_vpe](#module\_attach\_sg\_to\_master\_vpe) | terraform-ibm-modules/security-group/ibm | 2.6.2 |
 | <a name="module_attach_sg_to_registry_vpe"></a> [attach\_sg\_to\_registry\_vpe](#module\_attach\_sg\_to\_registry\_vpe) | terraform-ibm-modules/security-group/ibm | 2.6.2 |
-| <a name="module_cos_instance"></a> [cos\_instance](#module\_cos\_instance) | terraform-ibm-modules/cos/ibm | 8.11.10 |
+| <a name="module_cos_instance"></a> [cos\_instance](#module\_cos\_instance) | terraform-ibm-modules/cos/ibm | 8.11.13 |
 
 ### Resources
 
diff --git a/examples/fscloud/main.tf b/examples/fscloud/main.tf
index 9022322e..50252a3a 100644
--- a/examples/fscloud/main.tf
+++ b/examples/fscloud/main.tf
@@ -16,7 +16,7 @@ module "resource_group" {
 
 module "cos_fscloud" {
   source                        = "terraform-ibm-modules/cos/ibm"
-  version                       = "8.11.10"
+  version                       = "8.11.13"
   resource_group_id             = module.resource_group.resource_group_id
   create_cos_bucket             = false
   cos_instance_name             = "${var.prefix}-cos"
@@ -32,7 +32,7 @@ module "cos_fscloud" {
 
 module "flowlogs_bucket" {
   source  = "terraform-ibm-modules/cos/ibm//modules/buckets"
-  version = "8.11.10"
+  version = "8.11.13"
 
   bucket_configs = [
     {
@@ -113,7 +113,7 @@ locals {
 # Create Sysdig and Activity Tracker instance
 module "observability_instances" {
   source  = "terraform-ibm-modules/observability-instances/ibm"
-  version = "2.17.0"
+  version = "2.18.1"
   providers = {
     logdna.at = logdna.at
     logdna.ld = logdna.ld
diff --git a/examples/multiple_mzr_clusters/main.tf b/examples/multiple_mzr_clusters/main.tf
index ac7cafdd..c4ea5fd3 100644
--- a/examples/multiple_mzr_clusters/main.tf
+++ b/examples/multiple_mzr_clusters/main.tf
@@ -175,7 +175,7 @@ data "ibm_container_cluster_config" "cluster_config_c2" {
 
 module "observability_instances" {
   source  = "terraform-ibm-modules/observability-instances/ibm"
-  version = "2.17.0"
+  version = "2.18.1"
   providers = {
     logdna.at = logdna.at
     logdna.ld = logdna.ld
@@ -198,7 +198,7 @@ module "observability_instances" {
 
 module "observability_agents_1" {
   source  = "terraform-ibm-modules/observability-agents/ibm"
-  version = "1.29.0"
+  version = "1.29.1"
   providers = {
     helm = helm.helm_cluster_1
   }
@@ -212,7 +212,7 @@ module "observability_agents_1" {
 
 module "observability_agents_2" {
   source  = "terraform-ibm-modules/observability-agents/ibm"
-  version = "1.29.0"
+  version = "1.29.1"
   providers = {
     helm = helm.helm_cluster_2
   }
diff --git a/main.tf b/main.tf
index ac6b4a17..12e35b12 100644
--- a/main.tf
+++ b/main.tf
@@ -86,7 +86,7 @@ module "cos_instance" {
   count = var.enable_registry_storage && !var.use_existing_cos ? 1 : 0
 
   source                 = "terraform-ibm-modules/cos/ibm"
-  version                = "8.11.10"
+  version                = "8.11.13"
   cos_instance_name      = local.cos_name
   resource_group_id      = var.resource_group_id
   cos_plan               = local.cos_plan