diff --git a/infra/gcp/clusters/projects/k8s-infra-prow-build-trusted/prow-build-trusted/main.tf b/infra/gcp/clusters/projects/k8s-infra-prow-build-trusted/prow-build-trusted/main.tf
index 33ff08cdc10..abd2b8202ba 100644
--- a/infra/gcp/clusters/projects/k8s-infra-prow-build-trusted/prow-build-trusted/main.tf
+++ b/infra/gcp/clusters/projects/k8s-infra-prow-build-trusted/prow-build-trusted/main.tf
@@ -130,6 +130,7 @@ module "prow_build_cluster" {
   cluster_location  = local.cluster_location
   bigquery_location = local.bigquery_location
   is_prod_cluster   = "true"
+  release_channel   = "STABLE"
 }
 
 module "prow_build_nodepool" {
diff --git a/infra/gcp/clusters/projects/k8s-infra-prow-build/prow-build/main.tf b/infra/gcp/clusters/projects/k8s-infra-prow-build/prow-build/main.tf
index 277e1cb6c99..48e351e9ccf 100644
--- a/infra/gcp/clusters/projects/k8s-infra-prow-build/prow-build/main.tf
+++ b/infra/gcp/clusters/projects/k8s-infra-prow-build/prow-build/main.tf
@@ -105,6 +105,7 @@ module "prow_build_cluster" {
   cluster_location  = local.cluster_location
   bigquery_location = local.bigquery_location
   is_prod_cluster   = "true"
+  release_channel   = "STABLE"
 }
 
 module "prow_build_nodepool_n1_highmem_8_maxiops" {