diff --git a/resource_compute_autoscaler_test.go b/resource_compute_autoscaler_test.go
index 00a92592..40f9fcac 100644
--- a/resource_compute_autoscaler_test.go
+++ b/resource_compute_autoscaler_test.go
@@ -139,7 +139,7 @@ resource "google_compute_instance_template" "foobar" {
 	tags = ["foo", "bar"]
 
 	disk {
-		source_image = "debian-cloud/debian-7-wheezy-v20160301"
+		source_image = "debian-8-jessie-v20160803"
 		auto_delete = true
 		boot = true
 	}
@@ -196,7 +196,7 @@ resource "google_compute_instance_template" "foobar" {
 	tags = ["foo", "bar"]
 
 	disk {
-		source_image = "debian-cloud/debian-7-wheezy-v20160301"
+		source_image = "debian-8-jessie-v20160803"
 		auto_delete = true
 		boot = true
 	}