diff --git a/README.md b/README.md
index 0e5639e..c430a54 100644
--- a/README.md
+++ b/README.md
@@ -198,6 +198,7 @@ No modules.
 | <a name="input_ignore_value_changes"></a> [ignore\_value\_changes](#input\_ignore\_value\_changes) | Whether to create SSM Parameter and ignore changes in value | `bool` | `false` | no |
 | <a name="input_key_id"></a> [key\_id](#input\_key\_id) | KMS key ID or ARN for encrypting a parameter (when type is SecureString) | `string` | `null` | no |
 | <a name="input_name"></a> [name](#input\_name) | Name of SSM parameter | `string` | `null` | no |
+| <a name="input_overwrite"></a> [overwrite](#input\_overwrite) | Overwrite an existing parameter. If not specified, defaults to false during create operations to avoid overwriting existing resources and then true for all subsequent operations once the resource is managed by Terraform. Only relevant if ignore\_value\_changes is false. | `bool` | `false` | no |
 | <a name="input_secure_type"></a> [secure\_type](#input\_secure\_type) | Whether the type of the value should be considered as secure or not? | `bool` | `false` | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | A mapping of tags to assign to resources | `map(string)` | `{}` | no |
 | <a name="input_tier"></a> [tier](#input\_tier) | Parameter tier to assign to the parameter. If not specified, will use the default parameter tier for the region. Valid tiers are Standard, Advanced, and Intelligent-Tiering. Downgrading an Advanced tier parameter to Standard will recreate the resource. | `string` | `null` | no |
diff --git a/main.tf b/main.tf
index 78420c4..7c58076 100644
--- a/main.tf
+++ b/main.tf
@@ -24,6 +24,8 @@ resource "aws_ssm_parameter" "this" {
   allowed_pattern = var.allowed_pattern
   data_type       = var.data_type
 
+  overwrite = var.overwrite
+
   tags = var.tags
 }
 
diff --git a/variables.tf b/variables.tf
index bf35fb0..d790d97 100644
--- a/variables.tf
+++ b/variables.tf
@@ -79,3 +79,9 @@ variable "tags" {
   type        = map(string)
   default     = {}
 }
+
+variable "overwrite" {
+  description = "Overwrite an existing parameter. If not specified, defaults to false during create operations to avoid overwriting existing resources and then true for all subsequent operations once the resource is managed by Terraform. Only relevant if ignore_value_changes is false."
+  type        = bool
+  default     = false
+}
diff --git a/wrappers/main.tf b/wrappers/main.tf
index d1b6067..18355f7 100644
--- a/wrappers/main.tf
+++ b/wrappers/main.tf
@@ -10,6 +10,7 @@ module "wrapper" {
   ignore_value_changes = try(each.value.ignore_value_changes, var.defaults.ignore_value_changes, false)
   key_id               = try(each.value.key_id, var.defaults.key_id, null)
   name                 = try(each.value.name, var.defaults.name, null)
+  overwrite            = try(each.value.overwrite, var.defaults.overwrite, false)
   secure_type          = try(each.value.secure_type, var.defaults.secure_type, false)
   tags                 = try(each.value.tags, var.defaults.tags, {})
   tier                 = try(each.value.tier, var.defaults.tier, null)