diff --git a/.dockerignore b/.dockerignore
index 4ae7a89ec..84200e4bd 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -9,3 +9,5 @@ tests
 !contrib/dokku-installer.py
 !contrib/dokku-update
 !contrib/bash-completion
+!contrib/docker
+vendor