AdMob banner shown "under the canvas"

After I installed new Unity (5.6.0f3 version) banner becomes invisible, but it still there, I mean - when you tap on banner area it redirects you to the Google Play

My code is:

private void LoadBanner()
{
if (_bannerView == null && bannerAdId != null)
{
_bannerView = new BannerView (bannerAdId, AdSize.Banner, AdPosition.Top);

		AdRequest request = new AdRequest.Builder ().Build ();

		_bannerView.LoadAd (request);
		_bannerView.Hide ();
	}
}

private void ShowBanner()
{
	LoadBanner ();

	if (_bannerView != null)
	{
		_bannerView.Show ();
		print ("banner shown");
	}
}

And every time I receive log, but banner invisible.

My bad folks, I’ve just updated GoogleMobileAds plugin to last version and it worked