diff --git a/cmd/root.go b/cmd/root.go
index c384db9..7b6b5f0 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -65,6 +65,11 @@ func init() {
 	rootCmd.PersistentFlags().BoolVar(&noColor, "no-color", false, "Disable color output")
 	var allFlags flag.FlagSet
 	klog.InitFlags(&allFlags)
+	// Opt into the new klog behavior so that -stderrthreshold is honored even
+	// when -logtostderr=true (the default).
+	// Ref: kubernetes/klog#212, kubernetes/klog#432
+	_ = allFlags.Set("legacy_stderr_threshold_behavior", "false")
+	_ = allFlags.Set("stderrthreshold", "INFO")
 	allFlags.VisitAll(func(f *flag.Flag) {
 		if f.Name == "v" {
 			rootCmd.PersistentFlags().AddGoFlag(f)
diff --git a/go.mod b/go.mod
index 1a39067..90ab444 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	k8s.io/apiserver v0.34.2
 	k8s.io/cli-runtime v0.34.2
 	k8s.io/client-go v0.34.2
-	k8s.io/klog/v2 v2.130.1
+	k8s.io/klog/v2 v2.140.0
 	k8s.io/utils v0.0.0-20250604170112-4c0f3b243397
 	sigs.k8s.io/yaml v1.6.0
 )
diff --git a/go.sum b/go.sum
index 28ffa5c..b834cb0 100644
--- a/go.sum
+++ b/go.sum
@@ -235,8 +235,8 @@ k8s.io/client-go v0.34.2 h1:Co6XiknN+uUZqiddlfAjT68184/37PS4QAzYvQvDR8M=
 k8s.io/client-go v0.34.2/go.mod h1:2VYDl1XXJsdcAxw7BenFslRQX28Dxz91U9MWKjX97fE=
 k8s.io/component-base v0.34.2 h1:HQRqK9x2sSAsd8+R4xxRirlTjowsg6fWCPwWYeSvogQ=
 k8s.io/component-base v0.34.2/go.mod h1:9xw2FHJavUHBFpiGkZoKuYZ5pdtLKe97DEByaA+hHbM=
-k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk=
-k8s.io/klog/v2 v2.130.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE=
+k8s.io/klog/v2 v2.140.0 h1:Tf+J3AH7xnUzZyVVXhTgGhEKnFqye14aadWv7bzXdzc=
+k8s.io/klog/v2 v2.140.0/go.mod h1:o+/RWfJ6PwpnFn7OyAG3QnO47BFsymfEfrz6XyYSSp0=
 k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b h1:MloQ9/bdJyIu9lb1PzujOPolHyvO06MXG5TUIj2mNAA=
 k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b/go.mod h1:UZ2yyWbFTpuhSbFhv24aGNOdoRdJZgsIObGBUaYVsts=
 k8s.io/utils v0.0.0-20250604170112-4c0f3b243397 h1:hwvWFiBzdWw1FhfY1FooPn3kzWuJ8tmbZBHi4zVsl1Y=