diff --git a/external/oasis-sdk b/external/oasis-sdk
index 1e3c8a51ba..18fa39523a 160000
--- a/external/oasis-sdk
+++ b/external/oasis-sdk
@@ -1 +1 @@
-Subproject commit 1e3c8a51ba27761820717c25adfa697ab3440b36
+Subproject commit 18fa39523a241cb15476b0184bc2e49a871b10e7