diff --git a/.gitmodules b/.gitmodules
index 1c89539..53b8dda 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,4 @@
-[submodule "haskoin-core"]
-	path = haskoin-core
-	url = https://github.com/khazaddum/haskoin-core.git
 [submodule "zcash-haskell"]
 	path = zcash-haskell
-	url = git@git.vergara.tech:Vergara_Tech/zcash-haskell.git
+	url = https://git.vergara.tech/Vergara_Tech/zcash-haskell.git
+	branch = dev040
diff --git a/zcash-haskell b/zcash-haskell
new file mode 160000
index 0000000..3fa771f
--- /dev/null
+++ b/zcash-haskell
@@ -0,0 +1 @@
+Subproject commit 3fa771f9f5b44eb41f9049c3184d94b4ed97b647