diff --git a/staging/src/k8s.io/metrics/hack/update-codegen.sh b/staging/src/k8s.io/metrics/hack/update-codegen.sh
index 7c4f1cbd827..4aadc6f3096 100755
--- a/staging/src/k8s.io/metrics/hack/update-codegen.sh
+++ b/staging/src/k8s.io/metrics/hack/update-codegen.sh
@@ -21,6 +21,8 @@ set -o pipefail
 SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
 
+source "${CODEGEN_PKG}/kube_codegen.sh"
+
 # generate the code with:
 # --output-base    because this script should also be able to run inside the vendor dir of
 #                  k8s.io/kubernetes. The output-base is needed for the generators to output into the vendor dir
@@ -28,16 +30,14 @@ CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-
 #
 # we skip informers and listers for metrics, because we don't quite support the requisite operations yet
 # we skip generating the internal clientset as it's not really needed
-"${CODEGEN_PKG}/generate-internal-groups.sh" "deepcopy,conversion" \
-  k8s.io/metrics/pkg/client \
-  k8s.io/metrics/pkg/apis \
-  k8s.io/metrics/pkg/apis \
-  "metrics:v1alpha1,v1beta1 custom_metrics:v1beta1,v1beta2 external_metrics:v1beta1" \
-  --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
-  --go-header-file "${SCRIPT_ROOT}/hack/boilerplate.go.txt"
-"${CODEGEN_PKG}/generate-groups.sh" "client" \
-  k8s.io/metrics/pkg/client \
-  k8s.io/metrics/pkg/apis \
-  "metrics:v1alpha1,v1beta1" \
-  --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
-  --go-header-file "${SCRIPT_ROOT}/hack/boilerplate.go.txt"
+
+kube::codegen::gen_helpers \
+    --input-pkg-root k8s.io/metrics/pkg/apis \
+    --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
+    --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.go.txt"
+
+kube::codegen::gen_client \
+    --input-pkg-root k8s.io/metrics/pkg/apis \
+    --output-pkg-root k8s.io/metrics/pkg/client \
+    --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
+    --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.go.txt"