diff --git a/cloudbuild.yaml b/cloudbuild.yaml
index 2b0239d02..19d4fde64 100644
--- a/cloudbuild.yaml
+++ b/cloudbuild.yaml
@@ -2,7 +2,7 @@ timeout: 18000s
 options:
   substitution_option: ALLOW_LOOSE
 steps:
-  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90'
+  - name: gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90
     entrypoint: bash
     env:
       - DOCKER_CLI_EXPERIMENTAL=enabled
diff --git a/images/nginx-1.25/cloudbuild.yaml b/images/nginx-1.25/cloudbuild.yaml
index ab68d4253..3d4e26a65 100644
--- a/images/nginx-1.25/cloudbuild.yaml
+++ b/images/nginx-1.25/cloudbuild.yaml
@@ -4,7 +4,7 @@ options:
   # Increase machine type for multi-arch builds.
   machineType: E2_HIGHCPU_32
 steps:
-  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90'
+  - name: gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90
     entrypoint: bash
     env:
       - DOCKER_CLI_EXPERIMENTAL=enabled
diff --git a/images/nginx/cloudbuild.yaml b/images/nginx/cloudbuild.yaml
index 378a8cd6d..d01e68c00 100644
--- a/images/nginx/cloudbuild.yaml
+++ b/images/nginx/cloudbuild.yaml
@@ -4,7 +4,7 @@ options:
   # Increase machine type for multi-arch builds.
   machineType: E2_HIGHCPU_32
 steps:
-  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90'
+  - name: gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90
     entrypoint: bash
     env:
       - DOCKER_CLI_EXPERIMENTAL=enabled