diff --git a/infra/blueprint-test/go.mod b/infra/blueprint-test/go.mod
index 35aa5c79cda..2ea43708366 100644
--- a/infra/blueprint-test/go.mod
+++ b/infra/blueprint-test/go.mod
@@ -18,7 +18,7 @@ require (
 	github.com/tidwall/gjson v1.18.0
 	github.com/tidwall/sjson v1.2.5
 	golang.org/x/mod v0.33.0
-	sigs.k8s.io/kustomize/kyaml v0.21.0
+	sigs.k8s.io/kustomize/kyaml v0.21.1
 )
 
 require (
diff --git a/infra/blueprint-test/go.sum b/infra/blueprint-test/go.sum
index aa2163de14c..af5a40008e7 100644
--- a/infra/blueprint-test/go.sum
+++ b/infra/blueprint-test/go.sum
@@ -351,8 +351,8 @@ k8s.io/utils v0.0.0-20250604170112-4c0f3b243397 h1:hwvWFiBzdWw1FhfY1FooPn3kzWuJ8
 k8s.io/utils v0.0.0-20250604170112-4c0f3b243397/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
 sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 h1:gBQPwqORJ8d8/YNZWEjoZs7npUVDpVXUUOFfW6CgAqE=
 sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8/go.mod h1:mdzfpAEoE6DHQEN0uh9ZbOCuHbLK5wOm7dK4ctXE9Tg=
-sigs.k8s.io/kustomize/kyaml v0.21.0 h1:7mQAf3dUwf0wBerWJd8rXhVcnkk5Tvn/q91cGkaP6HQ=
-sigs.k8s.io/kustomize/kyaml v0.21.0/go.mod h1:hmxADesM3yUN2vbA5z1/YTBnzLJ1dajdqpQonwBL1FQ=
+sigs.k8s.io/kustomize/kyaml v0.21.1 h1:IVlbmhC076nf6foyL6Taw4BkrLuEsXUXNpsE+ScX7fI=
+sigs.k8s.io/kustomize/kyaml v0.21.1/go.mod h1:hmxADesM3yUN2vbA5z1/YTBnzLJ1dajdqpQonwBL1FQ=
 sigs.k8s.io/randfill v1.0.0 h1:JfjMILfT8A6RbawdsK2JXGBR5AQVfd+9TbzrlneTyrU=
 sigs.k8s.io/randfill v1.0.0/go.mod h1:XeLlZ/jmk4i1HRopwe7/aU3H5n1zNUcX6TM94b3QxOY=
 sigs.k8s.io/structured-merge-diff/v6 v6.3.0 h1:jTijUJbW353oVOd9oTlifJqOGEkUw2jB/fXCbTiQEco=