diff --git a/cloudbuild_pr.yaml b/cloudbuild_pr.yaml
index f682a25944..0cb99de642 100644
--- a/cloudbuild_pr.yaml
+++ b/cloudbuild_pr.yaml
@@ -92,7 +92,7 @@ steps:
   - -f=envsubst-spanner/trillian-log-signer-service.yaml
   - --prune
   - --all
-  - --prune-whitelist=core/v1/ConfigMap
+  - --prune-allowlist=core/v1/ConfigMap
   env:
   - CLOUDSDK_COMPUTE_ZONE=${_MASTER_ZONE}
   - CLOUDSDK_CONTAINER_CLUSTER=${_CLUSTER_NAME}
@@ -141,7 +141,7 @@ steps:
   - -f=envsubst-mysql/trillian-log-signer-service.yaml
   - --prune
   - --all
-  - --prune-whitelist=core/v1/ConfigMap
+  - --prune-allowlist=core/v1/ConfigMap
   env:
   - CLOUDSDK_COMPUTE_ZONE=${_MASTER_ZONE}
   - CLOUDSDK_CONTAINER_CLUSTER=${_CLUSTER_NAME}