diff --git a/external/oasis-sdk b/external/oasis-sdk
index 49d12361c5..1ca9917815 160000
--- a/external/oasis-sdk
+++ b/external/oasis-sdk
@@ -1 +1 @@
-Subproject commit 49d12361c56fc518ef6cd4a6038207944180689e
+Subproject commit 1ca99178155e633fcb6f505cf581615cd6074b6f