diff --git a/external/trezor-common b/external/trezor-common
index f2374ae45..bff7fdfe4 160000
--- a/external/trezor-common
+++ b/external/trezor-common
@@ -1 +1 @@
-Subproject commit f2374ae456bb1ae2cc4dbdc72b448881de0e4468
+Subproject commit bff7fdfe436c727982cc553bdfb29a9021b423b0