diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..abb88eb
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "build/mcimport"]
+	path = build/mcimport
+	url = https://github.com/CERN/CTW-mcimport
diff --git a/build/mcimport b/build/mcimport
new file mode 160000
index 0000000..3553351
--- /dev/null
+++ b/build/mcimport
@@ -0,0 +1 @@
+Subproject commit 355335191808fd39788ec1b4cb21558ab77d6c2e