diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..4b72ba1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "luaunit"]
+	path = luaunit
+	url = https://github.com/bluebird75/luaunit