diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..870c14b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "upgrade"]
+	path = upgrade
+	url = git@github.com:datadr1ven/mtvmvp.git
+	branch = upgrade
diff --git a/upgrade b/upgrade
new file mode 160000
index 0000000..c83429a
--- /dev/null
+++ b/upgrade
@@ -0,0 +1 @@
+Subproject commit c83429af0a9d2d9c49e806c7a9e0c431337687da