diff --git a/doc/index.txt b/doc/index.txt
index 1fce0d1a..04c6ac98 100644
--- a/doc/index.txt
+++ b/doc/index.txt
@@ -5,4 +5,5 @@ Guillaume Bury <guillaume.bury@gmail.com>
 
 * link:dev[]
 * link:0.5[]
+* link:0.5.1[]