diff --git a/README.md b/README.md
index 973b6ab..512ad91 100644
--- a/README.md
+++ b/README.md
@@ -220,7 +220,7 @@ Available targets:
 | <a name="input_sqs_queue_kms_data_key_reuse_period_seconds"></a> [sqs\_queue\_kms\_data\_key\_reuse\_period\_seconds](#input\_sqs\_queue\_kms\_data\_key\_reuse\_period\_seconds) | The length of time, in seconds, for which Amazon SQS can reuse a data key to encrypt or decrypt messages before calling AWS KMS again | `number` | `300` | no |
 | <a name="input_sqs_queue_kms_master_key_id"></a> [sqs\_queue\_kms\_master\_key\_id](#input\_sqs\_queue\_kms\_master\_key\_id) | The ID of an AWS-managed customer master key (CMK) for Amazon SQS Queue or a custom CMK | `string` | `"alias/aws/sqs"` | no |
 | <a name="input_stage"></a> [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
-| <a name="input_subscribers"></a> [subscribers](#input\_subscribers) | Required configuration for subscibres to SNS topic. | <pre>map(object({<br>    protocol = string<br>    # The protocol to use. The possible values for this are: sqs, sms, lambda, application. (http or https are partially supported, see below) (email is an option but is unsupported, see below).<br>    endpoint = string<br>    # The endpoint to send data to, the contents will vary with the protocol. (see below for more information)<br>    endpoint_auto_confirms = bool<br>    # Boolean indicating whether the end point is capable of auto confirming subscription e.g., PagerDuty (default is false)<br>    raw_message_delivery = bool<br>    # Boolean indicating whether or not to enable raw message delivery (the original message is directly passed, not wrapped in JSON with the original message in the message property) (default is false)<br>  }))</pre> | `{}` | no |
+| <a name="input_subscribers"></a> [subscribers](#input\_subscribers) | Required configuration for subscibres to SNS topic. | <pre>map(object({<br>    protocol = string<br>    # The protocol to use. The possible values for this are: sqs, sms, lambda, application. (http or https are partially supported, see below) (email is an option but is unsupported, see below).<br>    endpoint = string<br>    # The endpoint to send data to, the contents will vary with the protocol. (see below for more information)<br>    endpoint_auto_confirms = bool<br>    # Boolean indicating whether the end point is capable of auto confirming subscription e.g., PagerDuty (default is false)<br>    raw_message_delivery = bool<br>    # Boolean indicating whether or not to enable raw message delivery (the original message is directly passed, not wrapped in JSON with the original message in the message property) (default is false)<br>    confirmation_timeout_in_minutes = number<br>    # Integer indicating number of minutes to wait in retrying mode for fetching subscription arn before marking it as failure. Only applicable for http and https protocols. <br>  }))</pre> | `{}` | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).<br>Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |
 | <a name="input_tenant"></a> [tenant](#input\_tenant) | ID element \_(Rarely used, not included by default)\_. A customer identifier, indicating who this instance of a resource is for | `string` | `null` | no |
 
@@ -333,7 +333,7 @@ In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.
 
 ## Copyright
 
-Copyright © 2017-2021 [Cloud Posse, LLC](https://cpco.io/copyright)
+Copyright © 2017-2022 [Cloud Posse, LLC](https://cpco.io/copyright)
 
 
 
diff --git a/docs/terraform.md b/docs/terraform.md
index 1939372..b1142b4 100644
--- a/docs/terraform.md
+++ b/docs/terraform.md
@@ -66,7 +66,7 @@
 | <a name="input_sqs_queue_kms_data_key_reuse_period_seconds"></a> [sqs\_queue\_kms\_data\_key\_reuse\_period\_seconds](#input\_sqs\_queue\_kms\_data\_key\_reuse\_period\_seconds) | The length of time, in seconds, for which Amazon SQS can reuse a data key to encrypt or decrypt messages before calling AWS KMS again | `number` | `300` | no |
 | <a name="input_sqs_queue_kms_master_key_id"></a> [sqs\_queue\_kms\_master\_key\_id](#input\_sqs\_queue\_kms\_master\_key\_id) | The ID of an AWS-managed customer master key (CMK) for Amazon SQS Queue or a custom CMK | `string` | `"alias/aws/sqs"` | no |
 | <a name="input_stage"></a> [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
-| <a name="input_subscribers"></a> [subscribers](#input\_subscribers) | Required configuration for subscibres to SNS topic. | <pre>map(object({<br>    protocol = string<br>    # The protocol to use. The possible values for this are: sqs, sms, lambda, application. (http or https are partially supported, see below) (email is an option but is unsupported, see below).<br>    endpoint = string<br>    # The endpoint to send data to, the contents will vary with the protocol. (see below for more information)<br>    endpoint_auto_confirms = bool<br>    # Boolean indicating whether the end point is capable of auto confirming subscription e.g., PagerDuty (default is false)<br>    raw_message_delivery = bool<br>    # Boolean indicating whether or not to enable raw message delivery (the original message is directly passed, not wrapped in JSON with the original message in the message property) (default is false)<br>  }))</pre> | `{}` | no |
+| <a name="input_subscribers"></a> [subscribers](#input\_subscribers) | Required configuration for subscibres to SNS topic. | <pre>map(object({<br>    protocol = string<br>    # The protocol to use. The possible values for this are: sqs, sms, lambda, application. (http or https are partially supported, see below) (email is an option but is unsupported, see below).<br>    endpoint = string<br>    # The endpoint to send data to, the contents will vary with the protocol. (see below for more information)<br>    endpoint_auto_confirms = bool<br>    # Boolean indicating whether the end point is capable of auto confirming subscription e.g., PagerDuty (default is false)<br>    raw_message_delivery = bool<br>    # Boolean indicating whether or not to enable raw message delivery (the original message is directly passed, not wrapped in JSON with the original message in the message property) (default is false)<br>    confirmation_timeout_in_minutes = number<br>    # Integer indicating number of minutes to wait in retrying mode for fetching subscription arn before marking it as failure. Only applicable for http and https protocols. <br>  }))</pre> | `{}` | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).<br>Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |
 | <a name="input_tenant"></a> [tenant](#input\_tenant) | ID element \_(Rarely used, not included by default)\_. A customer identifier, indicating who this instance of a resource is for | `string` | `null` | no |
 
diff --git a/variables.tf b/variables.tf
index cb4a0bb..4c2461e 100644
--- a/variables.tf
+++ b/variables.tf
@@ -8,6 +8,8 @@ variable "subscribers" {
     # Boolean indicating whether the end point is capable of auto confirming subscription e.g., PagerDuty (default is false)
     raw_message_delivery = bool
     # Boolean indicating whether or not to enable raw message delivery (the original message is directly passed, not wrapped in JSON with the original message in the message property) (default is false)
+    confirmation_timeout_in_minutes = number
+    # Integer indicating number of minutes to wait in retrying mode for fetching subscription arn before marking it as failure. Only applicable for http and https protocols. 
   }))
   description = "Required configuration for subscibres to SNS topic."
   default     = {}