diff --git a/config.org b/config.org
index 1a3d1b9..ab13dae 100644
--- a/config.org
+++ b/config.org
@@ -526,3 +526,10 @@ needs to be set up to install them if they aren't already.
        :config
        (setq jdee-server-dir "~/src/jdee-server/target"))
    #+end_src
+
+** Dockerfiles
+   Grab =dockerfile-mode= for syntax highlighting etc in Dockerfiles:
+
+   #+begin_src emacs-lisp
+     (use-package dockerfile-mode)
+   #+end_src