diff --git a/go.mod b/go.mod
index 74ccefdf90..00ba54cd2a 100644
--- a/go.mod
+++ b/go.mod
@@ -51,7 +51,7 @@ require (
 	sigs.k8s.io/controller-runtime v0.24.1
 	sigs.k8s.io/controller-tools v0.21.0
 	sigs.k8s.io/crdify v0.6.1-0.20260602124154-bb9957dbf465
-	sigs.k8s.io/structured-merge-diff/v6 v6.4.1
+	sigs.k8s.io/structured-merge-diff/v6 v6.4.2
 	sigs.k8s.io/yaml v1.6.0
 )
 
diff --git a/go.sum b/go.sum
index 0cc746cf7f..f08e4af73a 100644
--- a/go.sum
+++ b/go.sum
@@ -819,7 +819,7 @@ sigs.k8s.io/kustomize/kyaml v0.21.1 h1:IVlbmhC076nf6foyL6Taw4BkrLuEsXUXNpsE+ScX7
 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 v6.4.1 h1:AkER7js0XVWi/F/V2Iwl5N7O/B9VP2JyrOMmHPdco+g=
-sigs.k8s.io/structured-merge-diff/v6 v6.4.1/go.mod h1:M3W8sfWvn2HhQDIbGWj3S099YozAsymCo/wrT5ohRUE=
+sigs.k8s.io/structured-merge-diff/v6 v6.4.2 h1:qdOxHwrl2Kaag1aQEarlYcOA9vSyGCp3CIki3aW8c4Q=
+sigs.k8s.io/structured-merge-diff/v6 v6.4.2/go.mod h1:M3W8sfWvn2HhQDIbGWj3S099YozAsymCo/wrT5ohRUE=
 sigs.k8s.io/yaml v1.6.0 h1:G8fkbMSAFqgEFgh4b1wmtzDnioxFCUgTZhlbj5P9QYs=
 sigs.k8s.io/yaml v1.6.0/go.mod h1:796bPqUfzR/0jLAl6XjHl3Ck7MiyVv8dbTdyT3/pMf4=