diff --git a/third_party/mos6502 b/third_party/mos6502
index 89692f2..6015bc4 160000
--- a/third_party/mos6502
+++ b/third_party/mos6502
@@ -1 +1 @@
-Subproject commit 89692f24b55b52945c85f0cac2f7a055a0b556f0
+Subproject commit 6015bc4d90e74c67005a8f3030a85b07f4d8b13c