diff --git a/terraform/stages-sre/stage-object_storage.tf b/terraform/stages-sre/stage-object_storage.tf
index 26f00c9f..09170565 100644
--- a/terraform/stages-sre/stage-object_storage.tf
+++ b/terraform/stages-sre/stage-object_storage.tf
@@ -1,5 +1,5 @@
 module "dev_infrastructure_cos" {
-  source = "github.com/cloud-native-toolkit/terraform-ibm-object-storage?ref=v4.0.0"
+  source = "github.com/cloud-native-toolkit/terraform-ibm-object-storage?ref=v4.0.6"
 
   resource_group_name = var.resource_group_name
   resource_location   = "global"