diff --git a/readme.md b/readme.md
index 28cde27..2497253 100644
--- a/readme.md
+++ b/readme.md
@@ -11,7 +11,7 @@ Options:
 
 Open up your ``Gemfile`` and add at the bottom this line
 
-    gem 'refinerycms-blog', '= 1.0.rc9'
+    gem 'refinerycms-blog', '~> 1.0.rc13'
 
 Now run ``bundle install``