diff --git a/go.mod b/go.mod
index e6ffa43..16c693d 100644
--- a/go.mod
+++ b/go.mod
@@ -27,7 +27,7 @@ require (
 	k8s.io/apimachinery v0.32.3
 	k8s.io/client-go v0.32.3
 	k8s.io/component-base v0.32.3
-	k8s.io/klog/v2 v2.130.1
+	k8s.io/klog/v2 v2.140.0
 	k8s.io/utils v0.0.0-20241104100929-3ea5e8cea738
 	sigs.k8s.io/cluster-api v1.10.5
 	sigs.k8s.io/cluster-api/test v1.10.5
diff --git a/go.sum b/go.sum
index 3350c7b..6364089 100644
--- a/go.sum
+++ b/go.sum
@@ -425,8 +425,8 @@ k8s.io/cluster-bootstrap v0.32.3 h1:AqIpsUhB6MUeaAsl1WvaUw54AHRd2hfZrESlKChtd8s=
 k8s.io/cluster-bootstrap v0.32.3/go.mod h1:CHbBwgOb6liDV6JFUTkx5t85T2xidy0sChBDoyYw344=
 k8s.io/component-base v0.32.3 h1:98WJvvMs3QZ2LYHBzvltFSeJjEx7t5+8s71P7M74u8k=
 k8s.io/component-base v0.32.3/go.mod h1:LWi9cR+yPAv7cu2X9rZanTiFKB2kHA+JjmhkKjCZRpI=
-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 v0.0.0-20241105132330-32ad38e42d3f h1:GA7//TjRY9yWGy1poLzYYJJ4JRdzg3+O6e8I+e+8T5Y=
 k8s.io/kube-openapi v0.0.0-20241105132330-32ad38e42d3f/go.mod h1:R/HEjbvWI0qdfb8viZUeVZm0X6IZnxAydC7YU42CMw4=
 k8s.io/utils v0.0.0-20241104100929-3ea5e8cea738 h1:M3sRQVHv7vB20Xc2ybTt7ODCeFj6JSWYFzOFnYeS6Ro=
diff --git a/main.go b/main.go
index eb72510..8a1a5ee 100644
--- a/main.go
+++ b/main.go
@@ -204,6 +204,11 @@ func initFlags(fs *pflag.FlagSet) {
 
 func main() {
 	klog.InitFlags(nil)
+	// Opt into the new klog behavior so that -stderrthreshold is honored even
+	// when -logtostderr=true (the default).
+	// Ref: kubernetes/klog#212, kubernetes/klog#432
+	flag.Set("legacy_stderr_threshold_behavior", "false") //nolint:errcheck
+	flag.Set("stderrthreshold", "INFO")                   //nolint:errcheck
 
 	initFlags(pflag.CommandLine)
 	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)