diff --git a/contents/plugins.md b/contents/plugins.md
index f4ca83e..426ce65 100644
--- a/contents/plugins.md
+++ b/contents/plugins.md
@@ -157,6 +157,7 @@ Also see [fuzzy finders](#fuzzy-finders).
 - [surround](https://github.com/tpope/vim-surround)
 - [targets](https://github.com/wellle/targets.vim)
 - [unicode.vim](https://github.com/chrisbra/unicode.vim)
+- [indent-guides](https://github.com/nathanaelkane/vim-indent-guides)
 
 ## By filetype