diff --git a/go.mod b/go.mod
index 2fad754f2..7b63b50d1 100644
--- a/go.mod
+++ b/go.mod
@@ -107,6 +107,6 @@ require (
 	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
 	sigs.k8s.io/kustomize/api v0.21.1
 	sigs.k8s.io/randfill v1.0.0 // indirect
-	sigs.k8s.io/structured-merge-diff/v6 v6.4.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v6 v6.4.2 // indirect
 	sigs.k8s.io/yaml v1.6.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 238e80312..1d74c7a59 100644
--- a/go.sum
+++ b/go.sum
@@ -397,7 +397,7 @@ 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 v6.4.0 h1:qmp2e3ZfFi1/jJbDGpD4mt3wyp6PE1NfKHCYLqgNQJo=
-sigs.k8s.io/structured-merge-diff/v6 v6.4.0/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=