diff --git a/zcash-haskell b/zcash-haskell
index 003293c..662a0d1 160000
--- a/zcash-haskell
+++ b/zcash-haskell
@@ -1 +1 @@
-Subproject commit 003293cc3f978c146824d0695c5c458cf2cc9bb5
+Subproject commit 662a0d1148d3f52e2683157a4c9280bb8e81b0cb