diff --git a/vim/vim.symlink/colors/maxbucknell.vim b/vim/vim.symlink/colors/maxbucknell.vim
index f2e9675..b7d168b 100644
--- a/vim/vim.symlink/colors/maxbucknell.vim
+++ b/vim/vim.symlink/colors/maxbucknell.vim
@@ -129,3 +129,14 @@ hi SyntasticWarningSign cterm=NONE ctermbg=1 ctermfg=1
 
 hi snipLeadingSpaces cterm=NONE ctermbg=NONE ctermfg=NONE
 
+""""""""""
+" Markdown
+""""""""""
+
+hi markdownH1 cterm=NONE ctermbg=NONE ctermfg=0
+hi markdownH2 cterm=NONE ctermbg=NONE ctermfg=0
+hi markdownH3 cterm=NONE ctermbg=NONE ctermfg=0
+hi markdownH4 cterm=NONE ctermbg=NONE ctermfg=0
+hi markdownH5 cterm=NONE ctermbg=NONE ctermfg=0
+hi markdownH6 cterm=NONE ctermbg=NONE ctermfg=0
+
diff --git a/vim/vimrc.symlink b/vim/vimrc.symlink
index 779fdd1..3a471bc 100644
--- a/vim/vimrc.symlink
+++ b/vim/vimrc.symlink
@@ -424,7 +424,7 @@ augroup vimrcEx
     \ endif
 
   " Language whitespace settings
-  autocmd FileType less,snippets,json,c,xml,java,php,python setl et sw=4 sts=4
+  autocmd FileType dockerfile,less,snippets,json,c,xml,java,php,python setl et sw=4 sts=4
   autocmd FileType make,markdown setl noet sw=8 sts=8 ts=8
 
   " Hard wrap prose
diff --git a/zsh/zsh.symlink/zsh-completions b/zsh/zsh.symlink/zsh-completions
index d170ef1..8318b8a 160000
--- a/zsh/zsh.symlink/zsh-completions
+++ b/zsh/zsh.symlink/zsh-completions
@@ -1 +1 @@
-Subproject commit d170ef1363924eaa8f9183c98e5830eb3031d90c
+Subproject commit 8318b8a3b42a236c3c7c1d37c3e256655fd6967d
diff --git a/zsh/zsh.symlink/zsh-syntax-highlighting b/zsh/zsh.symlink/zsh-syntax-highlighting
index b8fa1b9..aac4a44 160000
--- a/zsh/zsh.symlink/zsh-syntax-highlighting
+++ b/zsh/zsh.symlink/zsh-syntax-highlighting
@@ -1 +1 @@
-Subproject commit b8fa1b9dc954d66748cc5b593f531687f24b8d48
+Subproject commit aac4a4423898fccbd1ab72c369ac09995a9139f1