diff --git a/core/embed/projects/firmware/nlrthumb.c b/core/embed/projects/firmware/nlrthumb.c
index 8fdaba88b2..4cf92ddb92 100644
--- a/core/embed/projects/firmware/nlrthumb.c
+++ b/core/embed/projects/firmware/nlrthumb.c
@@ -157,7 +157,7 @@ NORETURN __attribute__((naked)) void nlr_jump(void *val) {
     "bx     lr                  \n" // return
     :                               // output operands
     : "r"(top)                      // input operands
-    :                               // clobbered registers
+    : "memory"                      // clobbered registers
     );
 
     for (;;); // needed to silence compiler warning
diff --git a/vendor/micropython b/vendor/micropython
index 2d09fb5f20..476c569f35 160000
--- a/vendor/micropython
+++ b/vendor/micropython
@@ -1 +1 @@
-Subproject commit 2d09fb5f206cd76220eb9ca19cee9da1f7886dfa
+Subproject commit 476c569f3512f634b7f2e356d754bc17e5348d10