diff --git a/firmware/libopencm3 b/firmware/libopencm3
index c9f40aae..6a301c81 160000
--- a/firmware/libopencm3
+++ b/firmware/libopencm3
@@ -1 +1 @@
-Subproject commit c9f40aae0ba25f1ffb7f2a49e050fd50714d0632
+Subproject commit 6a301c81f4144d72fc881eb4fc7cc77aa1a32a67