diff --git a/examples/compute_instance/disk_snapshot/README.md b/examples/compute_instance/disk_snapshot/README.md
index ad9c7b1a..c402bc49 100644
--- a/examples/compute_instance/disk_snapshot/README.md
+++ b/examples/compute_instance/disk_snapshot/README.md
@@ -9,6 +9,7 @@ This is a simple example of how to use the compute_disk_snapshot module
 |------|-------------|------|---------|:--------:|
 | project\_id | The GCP project to use for integration tests | `string` | n/a | yes |
 | region | The GCP region to create and test resources in | `string` | `"us-central1"` | no |
+| service\_account | Service account to attach to the instance. See https://www.terraform.io/docs/providers/google/r/compute_instance_template.html#service_account. | <pre>object({<br>    email  = string,<br>    scopes = set(string)<br>  })</pre> | `null` | no |
 | subnetwork | The subnetwork selflink to host the compute instances in | `any` | n/a | yes |
 
 ## Outputs
diff --git a/examples/compute_instance/disk_snapshot/main.tf b/examples/compute_instance/disk_snapshot/main.tf
index c2f0cbb3..a701801a 100644
--- a/examples/compute_instance/disk_snapshot/main.tf
+++ b/examples/compute_instance/disk_snapshot/main.tf
@@ -31,7 +31,7 @@ module "instance_template" {
   project_id      = var.project_id
   subnetwork      = var.subnetwork
   name_prefix     = "instance-disk-snapshot"
-  service_account = null
+  service_account = var.service_account
 
   additional_disks = [
     {
diff --git a/examples/compute_instance/disk_snapshot/variables.tf b/examples/compute_instance/disk_snapshot/variables.tf
index 49f4e015..36432b73 100644
--- a/examples/compute_instance/disk_snapshot/variables.tf
+++ b/examples/compute_instance/disk_snapshot/variables.tf
@@ -29,4 +29,11 @@ variable "subnetwork" {
   description = "The subnetwork selflink to host the compute instances in"
 }
 
-
+variable "service_account" {
+  default = null
+  type = object({
+    email  = string,
+    scopes = set(string)
+  })
+  description = "Service account to attach to the instance. See https://www.terraform.io/docs/providers/google/r/compute_instance_template.html#service_account."
+}
diff --git a/examples/mig/healthcheck/README.md b/examples/mig/healthcheck/README.md
index c8c99243..4642454f 100644
--- a/examples/mig/healthcheck/README.md
+++ b/examples/mig/healthcheck/README.md
@@ -10,6 +10,7 @@ group with an autoscaler.
 |------|-------------|------|---------|:--------:|
 | project\_id | The GCP project to use for integration tests | `string` | n/a | yes |
 | region | The GCP region to create and test resources in | `string` | `"us-central1"` | no |
+| service\_account | Service account to attach to the instance. See https://www.terraform.io/docs/providers/google/r/compute_instance_template.html#service_account. | <pre>object({<br>    email  = string,<br>    scopes = set(string)<br>  })</pre> | `null` | no |
 
 ## Outputs
 
diff --git a/examples/mig/healthcheck/main.tf b/examples/mig/healthcheck/main.tf
index 946f1e41..7962f80d 100644
--- a/examples/mig/healthcheck/main.tf
+++ b/examples/mig/healthcheck/main.tf
@@ -54,7 +54,7 @@ module "instance_template" {
   source          = "../../../modules/instance_template"
   project_id      = var.project_id
   subnetwork      = google_compute_subnetwork.main.name
-  service_account = null
+  service_account = var.service_account
 }
 
 /** Instance Group within autoscale and health check **/
diff --git a/examples/mig/healthcheck/variables.tf b/examples/mig/healthcheck/variables.tf
index a1388426..4b7927f6 100644
--- a/examples/mig/healthcheck/variables.tf
+++ b/examples/mig/healthcheck/variables.tf
@@ -24,3 +24,12 @@ variable "region" {
   type        = string
   default     = "us-central1"
 }
+
+variable "service_account" {
+  default = null
+  type = object({
+    email  = string,
+    scopes = set(string)
+  })
+  description = "Service account to attach to the instance. See https://www.terraform.io/docs/providers/google/r/compute_instance_template.html#service_account."
+}
diff --git a/test/fixtures/compute_instance/disk_snapshot/main.tf b/test/fixtures/compute_instance/disk_snapshot/main.tf
index 6fbe6fe7..75a670bc 100644
--- a/test/fixtures/compute_instance/disk_snapshot/main.tf
+++ b/test/fixtures/compute_instance/disk_snapshot/main.tf
@@ -16,8 +16,9 @@
 
 
 module "disk_snapshot" {
-  source     = "../../../../examples/compute_instance/disk_snapshot"
-  project_id = var.project_id
-  region     = "us-central1"
-  subnetwork = google_compute_subnetwork.main.self_link
+  source          = "../../../../examples/compute_instance/disk_snapshot"
+  project_id      = var.project_id
+  region          = "us-central1"
+  subnetwork      = google_compute_subnetwork.main.self_link
+  service_account = var.service_account
 }
diff --git a/test/fixtures/compute_instance/disk_snapshot/variables.tf b/test/fixtures/compute_instance/disk_snapshot/variables.tf
index 3f93dc40..1adce9a9 100644
--- a/test/fixtures/compute_instance/disk_snapshot/variables.tf
+++ b/test/fixtures/compute_instance/disk_snapshot/variables.tf
@@ -18,4 +18,11 @@ variable "project_id" {
   description = "The GCP project to use for integration tests"
 }
 
-
+variable "service_account" {
+  default = null
+  type = object({
+    email  = string
+    scopes = list(string)
+  })
+  description = "Service account to attach to the instance. See https://www.terraform.io/docs/providers/google/r/compute_instance_template.html#service_account."
+}
diff --git a/test/fixtures/mig/healthcheck/main.tf b/test/fixtures/mig/healthcheck/main.tf
index d5c84cea..701f6156 100644
--- a/test/fixtures/mig/healthcheck/main.tf
+++ b/test/fixtures/mig/healthcheck/main.tf
@@ -15,6 +15,7 @@
  */
 
 module "mig_healthcheck" {
-  source     = "../../../../examples/mig/healthcheck"
-  project_id = var.project_id
+  source          = "../../../../examples/mig/healthcheck"
+  project_id      = var.project_id
+  service_account = var.service_account
 }
diff --git a/test/fixtures/mig/healthcheck/variables.tf b/test/fixtures/mig/healthcheck/variables.tf
index 0029d2be..1adce9a9 100644
--- a/test/fixtures/mig/healthcheck/variables.tf
+++ b/test/fixtures/mig/healthcheck/variables.tf
@@ -17,3 +17,12 @@
 variable "project_id" {
   description = "The GCP project to use for integration tests"
 }
+
+variable "service_account" {
+  default = null
+  type = object({
+    email  = string
+    scopes = list(string)
+  })
+  description = "Service account to attach to the instance. See https://www.terraform.io/docs/providers/google/r/compute_instance_template.html#service_account."
+}