diff --git a/zcash-haskell b/zcash-haskell
index e371fcd..4963eea 160000
--- a/zcash-haskell
+++ b/zcash-haskell
@@ -1 +1 @@
-Subproject commit e371fcdb724686bfb51157911c5d4c0fda433c53
+Subproject commit 4963eea68bd1e3b38cbc14a64888d3f5aaef3f85