diff --git a/libopencm3 b/libopencm3
index 20bfcae..f4cd74a 160000
--- a/libopencm3
+++ b/libopencm3
@@ -1 +1 @@
-Subproject commit 20bfcaeb1c773012f1c41e004915b72f6abba352
+Subproject commit f4cd74a741084decb805d8dd15253f77f404ad24