diff --git a/README.md b/README.md
index 4444c09..75e25cd 100644
--- a/README.md
+++ b/README.md
@@ -141,6 +141,7 @@ No modules.
 | Name | Description |
 |------|-------------|
 | <a name="output_db_proxy_endpoints"></a> [db\_proxy\_endpoints](#output\_db\_proxy\_endpoints) | Array containing the full resource object and attributes for all DB proxy endpoints created |
+| <a name="output_iam_role_arn"></a> [iam\_role\_arn](#output\_iam\_role\_arn) | The Amazon Resource Name (ARN) of the IAM role that the proxy uses to access secrets in AWS Secrets Manager. |
 | <a name="output_log_group_arn"></a> [log\_group\_arn](#output\_log\_group\_arn) | The Amazon Resource Name (ARN) of the CloudWatch log group |
 | <a name="output_proxy_arn"></a> [proxy\_arn](#output\_proxy\_arn) | The Amazon Resource Name (ARN) for the proxy |
 | <a name="output_proxy_default_target_group_arn"></a> [proxy\_default\_target\_group\_arn](#output\_proxy\_default\_target\_group\_arn) | The Amazon Resource Name (ARN) for the default target group |