diff --git a/scripts/tests/longhorn-benchmark-delete-guard/native_test.go b/scripts/tests/longhorn-benchmark-delete-guard/native_test.go
index ec1bb4f546..b76b2b2ff1 100644
--- a/scripts/tests/longhorn-benchmark-delete-guard/native_test.go
+++ b/scripts/tests/longhorn-benchmark-delete-guard/native_test.go
@@ -10,19 +10,35 @@ import (
 )
 
 func TestNativeBenchmarkDeletionGuard(t *testing.T) {
-	ctx, cancel := context.WithTimeout(context.Background(), 4*time.Minute)
-	defer cancel()
-	render := exec.CommandContext(ctx, "kubectl", "kustomize", "../../../k8s/providers/hetzner/infrastructure/controllers/longhorn")
+	// Hosted runners compile the Kubernetes admission dependencies from a cold
+	// cache. Keep that setup separate from the native proof's execution budget;
+	// both phases together remain below CI's 20-minute per-package deadline.
+	buildCtx, cancelBuild := context.WithTimeout(context.Background(), 15*time.Minute)
+	defer cancelBuild()
+	render := exec.CommandContext(buildCtx, "kubectl", "kustomize", "../../../k8s/providers/hetzner/infrastructure/controllers/longhorn")
 	raw, err := render.Output()
 	if err != nil {
 		t.Fatal("production Longhorn controller profile could not be rendered")
 	}
-	profile := filepath.Join(t.TempDir(), "profile.yaml")
+	work := t.TempDir()
+	profile := filepath.Join(work, "profile.yaml")
 	if err := os.WriteFile(profile, raw, 0600); err != nil {
 		t.Fatal(err)
 	}
-	command := exec.CommandContext(ctx, "go", "test", "-mod=readonly", "-count=1", "-timeout=2m", ".")
-	command.Dir = "testdata/native-proof"
+	binary := filepath.Join(work, "native-proof.test")
+	build := exec.CommandContext(buildCtx, "go", "test", "-c", "-mod=readonly", "-o", binary, ".")
+	build.Dir = "testdata/native-proof"
+	build.WaitDelay = 10 * time.Second
+	if output, err := build.CombinedOutput(); err != nil {
+		t.Fatalf("native Kubernetes admission proof build failed: %v: %s", err, output)
+	}
+	cancelBuild()
+
+	ctx, cancel := context.WithTimeout(context.Background(), 4*time.Minute)
+	defer cancel()
+	command := exec.CommandContext(ctx, binary, "-test.count=1", "-test.timeout=2m")
+	command.Dir = build.Dir
+	command.WaitDelay = 10 * time.Second
 	command.Env = append(os.Environ(), "LONGHORN_GUARD_RENDER_PATH="+profile)
 	if output, err := command.CombinedOutput(); err != nil {
 		t.Fatalf("native Kubernetes admission proof failed: %v: %s", err, output)