diff --git a/external/oasis-sdk b/external/oasis-sdk
index 49d12361c5..b559f59cab 160000
--- a/external/oasis-sdk
+++ b/external/oasis-sdk
@@ -1 +1 @@
-Subproject commit 49d12361c56fc518ef6cd4a6038207944180689e
+Subproject commit b559f59cab8a964f4a10bf76f7462e3883c6c4d4