Index: README.md
===================================================================
--- README.md	(revision c8cc13f38ce36071151a94a26dc9848dd0f65b94)
+++ README.md	(revision cb405debde29e07493ff50e34983eddf09b185d1)
@@ -12,4 +12,5 @@
 pip3 install pygame
 pip3 install pyobjc
+pip3 install PyOpenGL
 
 Run the game with:
