diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..34ac374
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "spec/redjs"]
+	path = spec/redjs
+	url = git@github.com:cowboyd/redjs.git
diff --git a/spec/redjs b/spec/redjs
new file mode 160000
index 0000000..43e09aa
--- /dev/null
+++ b/spec/redjs
@@ -0,0 +1 @@
+Subproject commit 43e09aad4f8715d0ac3a1db7bc16140569ddd501
diff --git a/spec/redjs_helper.rb b/spec/redjs_helper.rb
new file mode 100644
index 0000000..70f5da3
--- /dev/null
+++ b/spec/redjs_helper.rb
@@ -0,0 +1,3 @@
+require File.dirname(__FILE__) + '/spec_helper'
+
+include V8