diff --git a/TetrisKit/GameController.swift b/TetrisKit/GameController.swift
index 9e25f47..0e3c503 100644
--- a/TetrisKit/GameController.swift
+++ b/TetrisKit/GameController.swift
@@ -12,7 +12,7 @@ import Combine
 public class GameController: ObservableObject {
     
     public let width = 10
-    public let height = 16
+    public let height = 20
     
     var state: GameState = .waitingForStart