diff --git a/.gitmodules b/.gitmodules
new file mode 100644
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--- /dev/null
+++ b/.gitmodules
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+[submodule "papers/demand-forecasting"]
+	path = papers/demand-forecasting
+	url = git@github.com:webartifex/urban-meal-delivery-demand-forecasting.git
diff --git a/papers/demand-forecasting b/papers/demand-forecasting
new file mode 160000
index 0000000..1184c54
--- /dev/null
+++ b/papers/demand-forecasting
@@ -0,0 +1 @@
+Subproject commit 1184c54377f45f6cabbf6d977b84ff85ec4da9eb