diff --git a/lib/Pico-PIO-USB b/lib/Pico-PIO-USB
index 98e3feefc..d15fffd95 160000
--- a/lib/Pico-PIO-USB
+++ b/lib/Pico-PIO-USB
@@ -1 +1 @@
-Subproject commit 98e3feefcd1c7218bced0ea2ea35530fd1b550e4
+Subproject commit d15fffd950018c60cba5c98d676a4fafaeea2648