diff --git a/extern/filecoin-ffi b/extern/filecoin-ffi
index 6e901ee3d..78366aeb8 160000
--- a/extern/filecoin-ffi
+++ b/extern/filecoin-ffi
@@ -1 +1 @@
-Subproject commit 6e901ee3dd5399f5aa3395d48f7d9540b661b944
+Subproject commit 78366aeb85796c0687a53107a6cd52da7bd8abd5