diff --git a/libopencm3 b/libopencm3
index f305ac9..99cea7a 160000
--- a/libopencm3
+++ b/libopencm3
@@ -1 +1 @@
-Subproject commit f305ac9bcdf3551bdcd94d48d966403e5b1b31ac
+Subproject commit 99cea7a79f53f1a563529748fac2cb1997052bf0