diff --git a/books/beaglebone-cookbook/code b/books/beaglebone-cookbook/code
index 2f7790d5ada7bc46ab519b7920fed201fc059c6f..beaf00459d64fda366e7ff3286124955f2985c62 160000
--- a/books/beaglebone-cookbook/code
+++ b/books/beaglebone-cookbook/code
@@ -1 +1 @@
-Subproject commit 2f7790d5ada7bc46ab519b7920fed201fc059c6f
+Subproject commit beaf00459d64fda366e7ff3286124955f2985c62