diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..7184520aa2
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "arel"]
+	path = arel
+	url = git@github.com:miloops/arel.git
diff --git a/arel b/arel
new file mode 160000
index 0000000000..7978b69948
--- /dev/null
+++ b/arel
@@ -0,0 +1 @@
+Subproject commit 7978b69948c4fe38911932766d45026467f45e52