diff --git a/README.md b/README.md
index 282edf9..6a39e46 100644
--- a/README.md
+++ b/README.md
@@ -22,3 +22,16 @@ Syncs austenwares.com offical bash/zsh/tmux/vim/... config files
 - Installing vim
 
     vim +'call Initialize()'
+
+### Requirements
+
+- Mutt
+
+  ```
+  neomutt # or mutt
+  isync
+  msmtp
+  notmuch
+  w3m
+  docker # For generating html snapshots
+  ```