diff --git a/jobs/e2e_node/image-config.yaml b/jobs/e2e_node/image-config.yaml
index bf1bca79fd84..25299d3eacae 100644
--- a/jobs/e2e_node/image-config.yaml
+++ b/jobs/e2e_node/image-config.yaml
@@ -3,13 +3,13 @@
 # `gcloud compute --project <to-project> images create <image-name> --source-disk=<image-name>`
 images:
   ubuntu:
-    image: ubuntu-gke-1804-1-16-v20200330 # docker 17.03
+    image: ubuntu-gke-1804-1-16-v20200330
     project: ubuntu-os-gke-cloud
   cos-stable1:
-    image: cos-81-12871-119-0 # docker v19.03.6
+    image_family: cos-81-lts
     project: cos-cloud
     metadata: "user-data<test/e2e_node/jenkins/cos-init-live-restore.yaml,gci-update-strategy=update_disabled"
   cos-stable2:
-    image: cos-77-12371-274-0 # docker v19.03.1, deprecated after 2020-12-17
+    image_family: cos-77-lts
     project: cos-cloud
     metadata: "user-data<test/e2e_node/jenkins/cos-init-live-restore.yaml,gci-update-strategy=update_disabled"