diff --git a/ImageViewer/ImageViewerController.swift b/ImageViewer/ImageViewerController.swift
index 9634125..f07afe1 100644
--- a/ImageViewer/ImageViewerController.swift
+++ b/ImageViewer/ImageViewerController.swift
@@ -5,6 +5,12 @@ public final class ImageViewerController: UIViewController {
     @IBOutlet fileprivate var scrollView: UIScrollView!
     @IBOutlet fileprivate var imageView: UIImageView!
     @IBOutlet fileprivate var activityIndicator: UIActivityIndicatorView!
+    @IBOutlet fileprivate var closeButton: UIButton! {
+        didSet {
+            let closeImage = UIImage(named: "closeButton", in: Bundle.module, compatibleWith: nil)
+            closeButton.setImage(closeImage, for: .normal)
+        }
+    }
     
     fileprivate var transitionHandler: ImageViewerTransitioningHandler?
     fileprivate let configuration: ImageViewerConfiguration?
@@ -15,7 +21,7 @@ public final class ImageViewerController: UIViewController {
     
     public init(configuration: ImageViewerConfiguration?) {
         self.configuration = configuration
-        super.init(nibName: String(describing: type(of: self)), bundle: Bundle(for: type(of: self)))
+        super.init(nibName: "ImageViewerController", bundle: .module)
         
         modalPresentationStyle = .overFullScreen
         modalTransitionStyle = .crossDissolve
diff --git a/ImageViewer/Resources/ImageViewerController.xib b/ImageViewer/Resources/ImageViewerController.xib
index 07595fc..f7cf298 100644
--- a/ImageViewer/Resources/ImageViewerController.xib
+++ b/ImageViewer/Resources/ImageViewerController.xib
@@ -1,18 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
-    <device id="retina4_7" orientation="portrait">
-        <adaptation id="fullscreen"/>
-    </device>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="18122" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
+    <device id="retina4_7" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
-        <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="18093"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="ImageViewerController" customModule="SimpleImageViewer" customModuleProvider="target">
             <connections>
                 <outlet property="activityIndicator" destination="oPl-2f-Knx" id="GOD-eG-o96"/>
+                <outlet property="closeButton" destination="Wsy-fe-raz" id="a3H-nt-lws"/>
                 <outlet property="imageView" destination="rHA-5m-kkS" id="V86-k1-pPH"/>
                 <outlet property="scrollView" destination="cQD-2Q-pvo" id="M6k-QU-OVY"/>
                 <outlet property="view" destination="iN0-l3-epB" id="bEt-1B-b5l"/>
@@ -45,12 +43,12 @@
                     <rect key="frame" x="169" y="315" width="37" height="37"/>
                 </activityIndicatorView>
                 <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="Wsy-fe-raz">
-                    <rect key="frame" x="0.0" y="20" width="44" height="44"/>
+                    <rect key="frame" x="0.0" y="0.0" width="44" height="44"/>
                     <constraints>
                         <constraint firstAttribute="height" constant="44" id="bXU-O2-lam"/>
                         <constraint firstAttribute="width" constant="44" id="xTg-TJ-eL3"/>
                     </constraints>
-                    <state key="normal" image="closeButton">
+                    <state key="normal">
                         <color key="titleColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                     </state>
                     <connections>
@@ -74,7 +72,4 @@
             <point key="canvasLocation" x="33.5" y="54.5"/>
         </view>
     </objects>
-    <resources>
-        <image name="closeButton" width="13" height="13"/>
-    </resources>
 </document>
diff --git a/Package.swift b/Package.swift
index 47acad7..064fa4a 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,14 +1,20 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.3
 import PackageDescription
 
 let package = Package(
     name: "SimpleImageViewer",
     products: [
-       .library(name: "SimpleImageViewer", targets: ["SimpleImageViewer"]),
+       .library(name: "SimpleImageViewer",
+                targets: ["SimpleImageViewer"]),
     ],
     dependencies : [
     ],
     targets: [
-       .target(name: "SimpleImageViewer", dependencies: [], path: "ImageViewer"),
+       .target(name: "SimpleImageViewer",
+               dependencies: [],
+               path: "ImageViewer",
+               resources: [
+                .process("Resources")
+               ])
     ]
 )