diff --git a/Formula/tinc.rb b/Formula/tinc.rb
index 123ed7f95a..4e7ab11c8d 100644
--- a/Formula/tinc.rb
+++ b/Formula/tinc.rb
@@ -2,8 +2,8 @@ require 'formula'
 
 class Tinc < Formula
   homepage 'http://www.tinc-vpn.org'
-  url 'http://www.tinc-vpn.org/packages/tinc-1.0.20.tar.gz'
-  sha1 '3120b19d78e1981c0aaeae7519d81bdb657cb926'
+  url 'http://www.tinc-vpn.org/packages/tinc-1.0.21.tar.gz'
+  sha1 'e7f65ba5dded43569c51b1fdc2f421c9cee75b9b'
 
   depends_on 'lzo'