diff --git a/extern/filecoin-ffi b/extern/filecoin-ffi
index 72e100df9db..2b59ef2d5c3 160000
--- a/extern/filecoin-ffi
+++ b/extern/filecoin-ffi
@@ -1 +1 @@
-Subproject commit 72e100df9db736aeda690672ab120500ddbd5e0d
+Subproject commit 2b59ef2d5c3ed527d5e667f835b686a32c64e5e7