diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..fda860d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "erlang_js"]
+	path = erlang_js
+	url = https://github.com/basho/erlang_js.git