diff --git a/HISTORY.md b/HISTORY.md
index 71af76c..c7d544f 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,5 @@
-unreleased
-==========
+1.4.0 / 2015-06-10
+==================
 
   * Add charset to the `Content-Type` header
   * Support `statusCode` property on `Error` objects
diff --git a/package.json b/package.json
index c662b08..6648d68 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "errorhandler",
   "description": "Development-only error handler middleware",
-  "version": "1.3.6",
+  "version": "1.4.0",
   "contributors": [
     "Douglas Christopher Wilson <doug@somethingdoug.com>",
     "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"