diff --git a/sw/ext/libopencm3 b/sw/ext/libopencm3
index d08d366e75..3277c58550 160000
--- a/sw/ext/libopencm3
+++ b/sw/ext/libopencm3
@@ -1 +1 @@
-Subproject commit d08d366e75ffab8bb779b63bb3b08811f67a7403
+Subproject commit 3277c5855092bebbb7078392ce5675148250de55
diff --git a/sw/ext/luftboot b/sw/ext/luftboot
index bcce7f8492..3f40726c72 160000
--- a/sw/ext/luftboot
+++ b/sw/ext/luftboot
@@ -1 +1 @@
-Subproject commit bcce7f849237787de51a84b1bc3003f0e8431bc3
+Subproject commit 3f40726c7299a26fb9467466cd07459a373ee09b