diff --git a/HISTORY.md b/HISTORY.md
index 380b0e4..053dfd0 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,5 @@
-unreleased
-==========
+1.6.4 / 2015-05-12
+==================
 
   * deps: accepts@~1.2.7
     - deps: mime-types@~2.0.11
diff --git a/package.json b/package.json
index e057f84..88bb245 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "serve-index",
   "description": "Serve directory listings",
-  "version": "1.6.3",
+  "version": "1.6.4",
   "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
   "license": "MIT",
   "repository": "expressjs/serve-index",