diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b77a9e5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "zcash-haskell"]
+	path = zcash-haskell
+	url = https://git.vergara.tech/Vergara_Tech/zcash-haskell
+	branch = milestone2
diff --git a/zcash-haskell b/zcash-haskell
new file mode 160000
index 0000000..90c8a7c
--- /dev/null
+++ b/zcash-haskell
@@ -0,0 +1 @@
+Subproject commit 90c8a7c3028bd6836dea5655221277a25d457653