diff --git a/extern/filecoin-ffi b/extern/filecoin-ffi
index 2e788b5a5..39bed0d7a 160000
--- a/extern/filecoin-ffi
+++ b/extern/filecoin-ffi
@@ -1 +1 @@
-Subproject commit 2e788b5a50b600670a88f5397cbe856c2755fe4a
+Subproject commit 39bed0d7a477eae618d310a476233eafe3e6b571