diff --git a/extern/filecoin-ffi b/extern/filecoin-ffi
index d70d49a74..777a6fbf4 160000
--- a/extern/filecoin-ffi
+++ b/extern/filecoin-ffi
@@ -1 +1 @@
-Subproject commit d70d49a742cde20bda233dbc63abebda0e8e4406
+Subproject commit 777a6fbf4446b1112adfd4fa5dd88e0c88974122