diff --git a/assets/_sheet_ump.png b/assets/_sheet_ump.png
index b9eb304..2754e77 100644
Binary files a/assets/_sheet_ump.png and b/assets/_sheet_ump.png differ
diff --git a/assets/x_ump.png b/assets/x_ump.png
index 4a54f0d..9fad0c5 100644
Binary files a/assets/x_ump.png and b/assets/x_ump.png differ
diff --git a/config.js b/config.js
index 72360e2..8b3c6a2 100644
--- a/config.js
+++ b/config.js
@@ -26,7 +26,7 @@ COURT.svcNear = COURT.netZ + 6.4;  // near service line
 // world sizes (meters)
 export const PLAYER_H = 1.88;
 export const BOY_H = 1.2;
-export const UMP_H = 2.7;
+export const UMP_H = 3.0;
 
 // contact rules: outside this height band the ball can't be hit (below = it's past you)
 export const CONTACT = { minY: 0.24, maxY: 2.3 };