diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..5abcf93
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "test/openwrt-in-vagrant"]
+	path = test/openwrt-in-vagrant
+	url = git://github.com:noctux/openwrt-in-vagrant.git
diff --git a/test/openwrt-in-vagrant b/test/openwrt-in-vagrant
new file mode 160000
index 0000000..f631b04
--- /dev/null
+++ b/test/openwrt-in-vagrant
@@ -0,0 +1 @@
+Subproject commit f631b0442265c6a06cc922b83f9c545d9bdfd3bb