diff --git a/src/lib/uavcan b/src/lib/uavcan
index c4c45b995f..20439bb397 160000
--- a/src/lib/uavcan
+++ b/src/lib/uavcan
@@ -1 +1 @@
-Subproject commit c4c45b995f5c8192c7a36c4293c201711ceac74d
+Subproject commit 20439bb3975c34a24c3c337a1f231fbf973a41e8