diff --git a/CHANGES.md b/CHANGES.md
index c7d0553..e900642 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,10 @@
 # bunyan Changelog
 
+## bunyan 0.13.1 (not yet released)
+
+(nothing yet)
+
+
 ## bunyan 0.13.0
 
 - [issue #31] Re-instate defines for the (uppercase) log level names (TRACE,
diff --git a/bin/bunyan b/bin/bunyan
index b4ad34b..db15e06 100755
--- a/bin/bunyan
+++ b/bin/bunyan
@@ -5,7 +5,7 @@
 // See <https://github.com/trentm/node-bunyan>.
 //
 
-var VERSION = "0.13.0";
+var VERSION = "0.13.1";
 
 var util = require('util');
 var pathlib = require('path');
diff --git a/lib/bunyan.js b/lib/bunyan.js
index e5ec16f..81a7d2a 100644
--- a/lib/bunyan.js
+++ b/lib/bunyan.js
@@ -4,7 +4,7 @@
  * The bunyan logging library for node.js.
  */
 
-var VERSION = '0.13.0';
+var VERSION = '0.13.1';
 
 // Bunyan log format version. This becomes the 'v' field on all log records.
 // `0` is until I release a version '1.0.0' of node-bunyan. Thereafter,
diff --git a/package.json b/package.json
index 82751cd..2f34a13 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bunyan",
-  "version": "0.13.0",
+  "version": "0.13.1",
   "description": "a JSON Logger library for node.js services",
   "author": "Trent Mick <trentm@gmail.com> (http://trentm.com)",
   "main": "./lib/bunyan.js",