diff --git a/external/libwally-core b/external/libwally-core
index bb2e7d177..5642664b6 160000
--- a/external/libwally-core
+++ b/external/libwally-core
@@ -1 +1 @@
-Subproject commit bb2e7d1779ba0e54c7a0037e7d3ddedccddb90b5
+Subproject commit 5642664b6159b0fe3940a1276f23998dcfce5481