diff --git a/libopencm3 b/libopencm3
index 13fae83..a596609 160000
--- a/libopencm3
+++ b/libopencm3
@@ -1 +1 @@
-Subproject commit 13fae83451b6e56ef3f09232b5f470c038409517
+Subproject commit a5966093e636fde4732cae2340ce298fe8ec7153