diff --git a/.gitmodules b/.gitmodules
index 008d2a6..4aeb71e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -58,3 +58,6 @@
 [submodule "bundle/zenburn"]
 	path = bundle/zenburn
 	url = https://github.com/jnurmine/Zenburn.git
+[submodule "bundle/nerdtree"]
+	path = bundle/nerdtree
+	url = git://github.com/scrooloose/nerdtree.git
diff --git a/bundle/nerdtree b/bundle/nerdtree
new file mode 160000
index 0000000..2cb0fc7
--- /dev/null
+++ b/bundle/nerdtree
@@ -0,0 +1 @@
+Subproject commit 2cb0fc78fb4c7a1db5f51c042a447cc50f09983d