diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..9e2fdf8
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "test/spec"]
+	path = test/spec
+	url = https://github.com/mustache/spec
diff --git a/test/spec b/test/spec
new file mode 160000
index 0000000..72233f3
--- /dev/null
+++ b/test/spec
@@ -0,0 +1 @@
+Subproject commit 72233f3ffda9e33915fd3022d0a9ebbcce265acd