diff --git a/modules/net-glb/README.md b/modules/net-glb/README.md
index 09c6843b..74237a60 100644
--- a/modules/net-glb/README.md
+++ b/modules/net-glb/README.md
@@ -795,8 +795,8 @@ module "glb-0" {
| [name](variables.tf#L91) | Load balancer name. | string
| ✓ | |
| [project_id](variables.tf#L193) | Project id. | string
| ✓ | |
| [address](variables.tf#L17) | Optional IP address used for the forwarding rule. | string
| | null
|
-| [backend_buckets_config](variables.tf#L23) | Backend buckets configuration. | map(object({…}))
| | {}
|
-| [backend_service_configs](variables-backend-service.tf#L19) | Backend service level configuration. | map(object({…}))
| | {}
|
+| [backend_buckets_config](variables.tf#L23) | Backend buckets configuration. | map(object({…}))
| | {}
|
+| [backend_service_configs](variables-backend-service.tf#L19) | Backend service level configuration. | map(object({…}))
| | {}
|
| [description](variables.tf#L56) | Optional description used for resources. | string
| | "Terraform managed."
|
| [group_configs](variables.tf#L62) | Optional unmanaged groups to create. Can be referenced in backends via key or outputs. | map(object({…}))
| | {}
|
| [health_check_configs](variables-health-check.tf#L19) | Optional auto-created health check configurations, use the output self-link to set it in the auto healing policy. Refer to examples for usage. | map(object({…}))
| | {…}
|
diff --git a/modules/net-glb/variables-backend-service.tf b/modules/net-glb/variables-backend-service.tf
index 1d70d841..51f65df5 100644
--- a/modules/net-glb/variables-backend-service.tf
+++ b/modules/net-glb/variables-backend-service.tf
@@ -58,7 +58,7 @@ variable "backend_service_configs" {
default_ttl = optional(number)
max_ttl = optional(number)
negative_caching = optional(bool)
- serve_while_stale = optional(bool)
+ serve_while_stale = optional(number)
signed_url_cache_max_age_sec = optional(number)
cache_key_policy = optional(object({
include_host = optional(bool)
diff --git a/modules/net-glb/variables.tf b/modules/net-glb/variables.tf
index 72e6c0c4..b956f2a9 100644
--- a/modules/net-glb/variables.tf
+++ b/modules/net-glb/variables.tf
@@ -37,7 +37,7 @@ variable "backend_buckets_config" {
max_ttl = optional(number)
negative_caching = optional(bool)
request_coalescing = optional(bool)
- serve_while_stale = optional(bool)
+ serve_while_stale = optional(number)
signed_url_cache_max_age_sec = optional(number)
cache_key_policy = optional(object({
include_http_headers = optional(list(string))