diff --git a/third_party/mos6502 b/third_party/mos6502
index 40fab05..e63b3cb 160000
--- a/third_party/mos6502
+++ b/third_party/mos6502
@@ -1 +1 @@
-Subproject commit 40fab05880923d23ef133cf5fb53c9c7edae15b8
+Subproject commit e63b3cb59a0f6f830fac83c1894f38d300814e10