diff --git a/README.md b/README.md
index a34d64c..0a9f19a 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ zsh-syntax-highlighting
 
 **[Fish shell](http://www.fishshell.com) like syntax highlighting for [Zsh](http://www.zsh.org).**
 
-*Requirements: zsh 4.3.9+.*
+*Requirements: zsh 4.3.17+.*
 
 
 How to install