diff --git a/modules/cache/README.md b/modules/cache/README.md
index cc708db6a..a6c3ad694 100644
--- a/modules/cache/README.md
+++ b/modules/cache/README.md
@@ -29,7 +29,7 @@ module "runner" {
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.15 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.0 |
 
 ## Providers
@@ -76,60 +76,6 @@ No modules.
 
 ## Outputs
 
-| Name | Description |
-|------|-------------|
-| <a name="output_arn"></a> [arn](#output\_arn) | The ARN of the created bucket. |
-| <a name="output_bucket"></a> [bucket](#output\_bucket) | Name of the created bucket. |
-| <a name="output_policy_arn"></a> [policy\_arn](#output\_policy\_arn) | Policy for users of the cache (bucket). |
-<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
-
-<!-- BEGIN_TF_DOCS -->
-## Requirements
-
-| Name | Version |
-|------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.15 |
-
-## Providers
-
-| Name | Version |
-|------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | n/a |
-| <a name="provider_random"></a> [random](#provider\_random) | n/a |
-
-## Modules
-
-No modules.
-
-## Resources
-
-| Name | Type |
-|------|------|
-| [aws_iam_policy.docker_machine_cache](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_policy) | resource |
-| [aws_s3_bucket.build_cache](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/s3_bucket) | resource |
-| [aws_s3_bucket_public_access_block.build_cache_policy](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/s3_bucket_public_access_block) | resource |
-| [random_string.s3_suffix](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/string) | resource |
-| [aws_caller_identity.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/caller_identity) | data source |
-
-## Inputs
-
-| Name | Description | Type | Default | Required |
-|------|-------------|------|---------|:--------:|
-| <a name="input_arn_format"></a> [arn\_format](#input\_arn\_format) | ARN format to be used. May be changed to support deployment in GovCloud/China regions. | `string` | `"arn:aws"` | no |
-| <a name="input_cache_bucket_name_include_account_id"></a> [cache\_bucket\_name\_include\_account\_id](#input\_cache\_bucket\_name\_include\_account\_id) | Boolean to add current account ID to cache bucket name. | `bool` | `true` | no |
-| <a name="input_cache_bucket_prefix"></a> [cache\_bucket\_prefix](#input\_cache\_bucket\_prefix) | Prefix for s3 cache bucket name. | `string` | `""` | no |
-| <a name="input_cache_bucket_set_random_suffix"></a> [cache\_bucket\_set\_random\_suffix](#input\_cache\_bucket\_set\_random\_suffix) | Random string suffix for s3 cache bucket | `bool` | `false` | no |
-| <a name="input_cache_bucket_versioning"></a> [cache\_bucket\_versioning](#input\_cache\_bucket\_versioning) | Boolean used to enable versioning on the cache bucket, false by default. | `string` | `"false"` | no |
-| <a name="input_cache_expiration_days"></a> [cache\_expiration\_days](#input\_cache\_expiration\_days) | Number of days before cache objects expires. | `number` | `1` | no |
-| <a name="input_cache_lifecycle_clear"></a> [cache\_lifecycle\_clear](#input\_cache\_lifecycle\_clear) | Enable the rule to cleanup the cache for expired objects. | `bool` | `true` | no |
-| <a name="input_cache_lifecycle_prefix"></a> [cache\_lifecycle\_prefix](#input\_cache\_lifecycle\_prefix) | Object key prefix identifying one or more objects to which the clean up rule applies. | `string` | `"runner/"` | no |
-| <a name="input_create_cache_bucket"></a> [create\_cache\_bucket](#input\_create\_cache\_bucket) | This module is by default included in the runner module. To disable the creation of the bucket this parameter can be disabled. | `bool` | `true` | no |
-| <a name="input_environment"></a> [environment](#input\_environment) | A name that identifies the environment, used as prefix and for tagging. | `string` | n/a | yes |
-| <a name="input_name_iam_objects"></a> [name\_iam\_objects](#input\_name\_iam\_objects) | Set the name prefix of all AWS IAM resources created by this module | `string` | `""` | no |
-| <a name="input_tags"></a> [tags](#input\_tags) | Map of tags that will be added to created resources. By default resources will be tagged with name and environment. | `map(string)` | `{}` | no |
-
-## Outputs
-
 | Name | Description |
 |------|-------------|
 | <a name="output_arn"></a> [arn](#output\_arn) | The ARN of the created bucket. |
diff --git a/modules/cache/versions.tf b/modules/cache/versions.tf
index 17800c6c6..10766724b 100644
--- a/modules/cache/versions.tf
+++ b/modules/cache/versions.tf
@@ -1,6 +1,6 @@
 
 terraform {
-  required_version = ">= 0.13"
+  required_version = ">= 0.15"
 
   required_providers {
     aws = {