diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..46faf61
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "common"]
+	path = common
+	url = git://github.com/jngiam/common.git
diff --git a/common b/common
new file mode 160000
index 0000000..af546c0
--- /dev/null
+++ b/common
@@ -0,0 +1 @@
+Subproject commit af546c03db33d9ec69da8b4c6560b171309e49ab