diff --git a/core/plugins.vim b/core/plugins.vim
index ba5617d..40b5ef9 100644
--- a/core/plugins.vim
+++ b/core/plugins.vim
@@ -93,6 +93,7 @@ Plug 'kaicataldo/material.vim'
 Plug 'joshdick/onedark.vim'
 Plug 'KeitaNakamura/neodark.vim'
 Plug 'jsit/toast.vim'
+Plug 'ErichDonGubler/vim-sublime-monokai'
 
 if !exists('g:started_by_firenvim')
   " colorful status line and theme
diff --git a/core/ui.vim b/core/ui.vim
index 820e8fc..e11c6eb 100644
--- a/core/ui.vim
+++ b/core/ui.vim
@@ -76,8 +76,18 @@ function! s:my_theme_dict.toast() dict abort
   colorscheme toast
 endfunction
 
+augroup sublmonokai
+  autocmd!
+  autocmd ColorScheme sublimemonokai hi clear SignColumn
+augroup END
+function! s:my_theme_dict.sublimemonokai() dict abort
+  if !utils#HasColorscheme('sublimemonokai') | return | endif
+
+  colorscheme sublimemonokai
+endfunction
+
 let s:candidate_theme = ['gruvbox8', 'srcery', 'deus', 'solarized8',
-      \ 'material', 'onedark',  'neodark', 'toast']
+      \ 'material', 'onedark',  'neodark', 'toast', 'sublimemonokai']
 let s:idx = utils#RandInt(0, len(s:candidate_theme)-1)
 let s:theme = s:candidate_theme[s:idx]