diff --git a/clustertool/go.mod b/clustertool/go.mod
index 1195c89aeb1..53b1b6e6e8c 100644
--- a/clustertool/go.mod
+++ b/clustertool/go.mod
@@ -27,7 +27,7 @@ require (
 	k8s.io/apimachinery v0.33.2
 	k8s.io/client-go v0.33.2
 	sigs.k8s.io/controller-runtime v0.21.0
-	sigs.k8s.io/kustomize/api v0.20.0
+	sigs.k8s.io/kustomize/api v0.20.1
 	sigs.k8s.io/kustomize/kyaml v0.20.1
 	sigs.k8s.io/yaml v1.5.0
 )