diff --git a/lib/version.rb b/lib/version.rb
index cf7da889b6b..f1e2c578f48 100644
--- a/lib/version.rb
+++ b/lib/version.rb
@@ -3,9 +3,9 @@ module Discourse
   unless defined? ::Discourse::VERSION
     module VERSION #:nodoc:
       MAJOR = 1
-      MINOR = 4
+      MINOR = 5
       TINY  = 0
-      PRE   = 'beta12'
+      PRE   = 'beta1'
 
       STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
     end