diff --git a/.gitmodules b/.gitmodules
index 5bb14b5c42..9833ed4832 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,3 +2,6 @@
 	path = test/input
 	url = https://github.com/IfcOpenShell/files
 	ignore = dirty
+[submodule "src/ifcopenshell-python/ifcopenshell/mvd"]
+	path = src/ifcopenshell-python/ifcopenshell/mvd
+	url = https://github.com/opensourceBIM/python-mvdxml/
diff --git a/src/ifcopenshell-python/ifcopenshell/mvd b/src/ifcopenshell-python/ifcopenshell/mvd
new file mode 160000
index 0000000000..6c4c5afc21
--- /dev/null
+++ b/src/ifcopenshell-python/ifcopenshell/mvd
@@ -0,0 +1 @@
+Subproject commit 6c4c5afc217e4d39774e2e7025fb80e8685a42f2