diff --git a/Package.swift b/Package.swift
index b935d32..ec13ec4 100644
--- a/Package.swift
+++ b/Package.swift
@@ -6,8 +6,9 @@ import PackageDescription
 let package = Package(
     name: "MulticolorGradient",
     platforms: [
-            .iOS(.v14)
-        ],
+        .iOS(.v14),
+        .tvOS(.v15)
+    ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(
diff --git a/Sources/MulticolorGradient/MulticolorGradientViewController.swift b/Sources/MulticolorGradient/MulticolorGradientViewController.swift
index 0288dbc..f308c25 100644
--- a/Sources/MulticolorGradient/MulticolorGradientViewController.swift
+++ b/Sources/MulticolorGradient/MulticolorGradientViewController.swift
@@ -193,7 +193,7 @@ public class MulticolorGradientViewController: UIViewController, MTKViewDelegate
         computeEncoder?.setBytes(&uniforms, length: MemoryLayout<Uniforms>.size, index: 0)
         computeEncoder?.setTexture(drawable.texture, index: 4)
         
-        if mtkView?.device?.supportsFeatureSet(.iOS_GPUFamily4_v1) ?? false {
+        if mtkView?.device?.supportsFamily(.apple4) ?? false {
             let gridSize = MTLSize(width: drawable.texture.width,
                                    height: drawable.texture.height,
                                    depth: 1)