diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..527a67d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "astroport-iptubes"]
+	path = astroport-iptubes
+	url = https://git.p2p.legal/axiom-team/astroport-iptubes
diff --git a/astroport-iptubes b/astroport-iptubes
new file mode 160000
index 0000000..7b8ffc0
--- /dev/null
+++ b/astroport-iptubes
@@ -0,0 +1 @@
+Subproject commit 7b8ffc03eb7dd698ff5802e08efae12f931cb4fd