diff --git a/firmware/libopencm3 b/firmware/libopencm3
index efa943db..59474cf6 160000
--- a/firmware/libopencm3
+++ b/firmware/libopencm3
@@ -1 +1 @@
-Subproject commit efa943db249d4656c7a04e362db14d755958268d
+Subproject commit 59474cf648721ed7c8cd284aabce67940b0e60a4