diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ebb6e3d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/core/defi/arbitrage"]
+	path = src/core/defi/arbitrage
+	url = https://gitea.d-bis.org/d-bis/defi-arbitrage.git