diff --git a/zcash-haskell b/zcash-haskell
index 3fa771f..75cc947 160000
--- a/zcash-haskell
+++ b/zcash-haskell
@@ -1 +1 @@
-Subproject commit 3fa771f9f5b44eb41f9049c3184d94b4ed97b647
+Subproject commit 75cc947dda2dd24acd166cf17fadd5fb3243c22a