diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1e50673
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "02_crps_learning"]
+	path = 02_crps_learning
+	url = git@git.uni-due.de:dsee/papers/crps-learning-code.git