diff --git a/sw/ext/libopencm3 b/sw/ext/libopencm3
index bffbb0e54d..38ef55cdaf 160000
--- a/sw/ext/libopencm3
+++ b/sw/ext/libopencm3
@@ -1 +1 @@
-Subproject commit bffbb0e54de237b1e396994bb4c065b4a3682b6c
+Subproject commit 38ef55cdaff9cc664551d13544b0c07c1f080be9