diff --git a/CHANGES b/CHANGES
index 2aee4b20..2b0f56c6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+= 1.3.1 / Not Yet Released
+
 = 1.3.0 / 2011-09-30
 
  * Added `stream` helper method for easily creating streaming APIs, Server
diff --git a/lib/sinatra/version.rb b/lib/sinatra/version.rb
index a5f10d33..f6e4da3b 100644
--- a/lib/sinatra/version.rb
+++ b/lib/sinatra/version.rb
@@ -1,3 +1,3 @@
 module Sinatra
-  VERSION = '1.3.0'
+  VERSION = '1.3.1'
 end