diff --git a/extern/filecoin-ffi b/extern/filecoin-ffi
index cddc56607..d70d49a74 160000
--- a/extern/filecoin-ffi
+++ b/extern/filecoin-ffi
@@ -1 +1 @@
-Subproject commit cddc56607e1d851ea6d09d49404bd7db70cb3c2e
+Subproject commit d70d49a742cde20bda233dbc63abebda0e8e4406