diff --git a/Cards/Sources/Card.swift b/Cards/Sources/Card.swift
index 3a10513..dc9c545 100644
--- a/Cards/Sources/Card.swift
+++ b/Cards/Sources/Card.swift
@@ -98,7 +98,7 @@ import UIKit
     public func shouldPresent( _ contentViewController: UIViewController?, from superVC: UIViewController?, fullscreen: Bool = false) {
         if let content = contentViewController {
             self.superVC = superVC
-            detailVC.addChild(content)
+            detailVC.addChildViewController(content)
             detailVC.detailView = content.view
             detailVC.card = self
             detailVC.delegate = self.delegate
diff --git a/Cards/Sources/CardHighlight.swift b/Cards/Sources/CardHighlight.swift
index 8104da7..d5e967f 100644
--- a/Cards/Sources/CardHighlight.swift
+++ b/Cards/Sources/CardHighlight.swift
@@ -131,7 +131,7 @@ import UIKit
         titleLbl.minimumScaleFactor = 0.1
         titleLbl.lineBreakMode = .byTruncatingTail
         titleLbl.numberOfLines = 3
-        backgroundIV.bringSubviewToFront(titleLbl)
+        backgroundIV.bringSubview(toFront: titleLbl)
         
         itemTitleLbl.textColor = textColor
         itemTitleLbl.text = itemTitle
diff --git a/Cards/Sources/CardPlayer.swift b/Cards/Sources/CardPlayer.swift
index b82a183..7a0c14a 100644
--- a/Cards/Sources/CardPlayer.swift
+++ b/Cards/Sources/CardPlayer.swift
@@ -89,7 +89,7 @@ import Player
      Required. View controller that should display the player.
      */
     public func shouldDisplayPlayer( from vc: UIViewController ) {
-        vc.addChild(player)
+        vc.addChildViewController(player)
     }
     
     private var player = Player() // Player provided by Patrik Piemonte
@@ -130,7 +130,7 @@ import Player
        
         backgroundIV.addSubview(self.player.view)
         playPauseV.contentView.addSubview(playIV)
-        playPauseV.contentView.bringSubviewToFront(playIV)
+        playPauseV.contentView.bringSubview(toFront: playIV)
         
         // Gestures
         player.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(playerTapped)))