diff --git a/.gitmodules b/.gitmodules
index dba876be..9423fed0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -34,3 +34,6 @@
 [submodule "pack/plugins/start/jedi-vim"]
 	path = pack/plugins/start/jedi-vim
 	url = https://github.com/davidhalter/jedi-vim.git
+[submodule "vim_source"]
+	path = vim_source
+	url = https://github.com/vim/vim.git
diff --git a/vim_source b/vim_source
new file mode 160000
index 00000000..418a29f0
--- /dev/null
+++ b/vim_source
@@ -0,0 +1 @@
+Subproject commit 418a29f0ffcaa0a3d778724ab6d1111db525d3cc