diff --git a/.gitmodules b/.gitmodules
index cdd903a..570c79a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "vim/bundle/csapprox"]
 	path = vim/bundle/csapprox
 	url = https://github.com/vim-scripts/CSApprox.git
+[submodule "vim/bundle/nerdtree"]
+	path = vim/bundle/nerdtree
+	url = https://github.com/scrooloose/nerdtree.git
diff --git a/vim/bundle/nerdtree b/vim/bundle/nerdtree
new file mode 160000
index 0000000..22de74a
--- /dev/null
+++ b/vim/bundle/nerdtree
@@ -0,0 +1 @@
+Subproject commit 22de74a45bf0c2b07ec149da215526a8516c24d2