diff --git a/external/lnprototest b/external/lnprototest
index dea47c29b..e51fb9744 160000
--- a/external/lnprototest
+++ b/external/lnprototest
@@ -1 +1 @@
-Subproject commit dea47c29b5541dbfe7fe53cc2598330e897fa4f4
+Subproject commit e51fb97443c911b36a3fe4559d5c66b20e50ff9c