diff --git a/README.md b/README.md
index 27e0977fb..70dd99981 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,7 @@ https://github.com/fabpot/Silex/blob/master/src/Silex/Provider/ValidatorServiceP
 
 Documentation:
 
-http://symfony.com/doc/2.2/book/validation.html
+http://symfony.com/doc/2.3/book/validation.html
 
 JSR-303 Specification: