diff --git a/.gitmodules b/.gitmodules
index 542da84..df40313 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -68,3 +68,6 @@
 [submodule "pack/vendor/start/vim-toml"]
 	path = pack/vendor/start/vim-toml
 	url = https://github.com/cespare/vim-toml
+[submodule "pack/vendor/start/Dockerfile.vim"]
+	path = pack/vendor/start/Dockerfile.vim
+	url = https://github.com/ekalinin/Dockerfile.vim
diff --git a/pack/vendor/start/Dockerfile.vim b/pack/vendor/start/Dockerfile.vim
new file mode 160000
index 0000000..86d744c
--- /dev/null
+++ b/pack/vendor/start/Dockerfile.vim
@@ -0,0 +1 @@
+Subproject commit 86d744c6e4731d0014ef469f019a305e2d7baac0