diff --git a/boxes/common/metadata.json b/boxes/common/metadata.json
new file mode 100644
index 0000000..824c6fd
--- /dev/null
+++ b/boxes/common/metadata.json
@@ -0,0 +1,4 @@
+{
+  "provider": "lxc",
+  "version":  "3"
+}