diff --git a/lib/version.rb b/lib/version.rb
index d8ba8d777..1ff19323b 100644
--- a/lib/version.rb
+++ b/lib/version.rb
@@ -5,7 +5,7 @@ module Discourse
       MAJOR = 1
       MINOR = 5
       TINY  = 0
-      PRE   = 'beta13'
+      PRE   = 'beta13b'
 
       STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
     end