diff --git a/.gitmodules b/.gitmodules
index 8f77862..fc2901c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -32,3 +32,6 @@
 [submodule "vim/bundle/nerdtree"]
 	path = vim/bundle/nerdtree
 	url = https://github.com/scrooloose/nerdtree
+[submodule "vim/bundle/vim-yardoc"]
+	path = vim/bundle/vim-yardoc
+	url = https://github.com/noprompt/vim-yardoc.git
diff --git a/vim/bundle/vim-yardoc b/vim/bundle/vim-yardoc
new file mode 160000
index 0000000..5b70f3e
--- /dev/null
+++ b/vim/bundle/vim-yardoc
@@ -0,0 +1 @@
+Subproject commit 5b70f3edccd20f54ddfae0be8c3fad5daf6e87a7