diff --git a/HISTORY.md b/HISTORY.md
index 2965aa7..4248a0b 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,5 @@
-unreleased
-==========
+1.6.6 / 2015-07-31
+==================
 
   * deps: mime-types@~2.1.4
     - Add new mime types
diff --git a/package.json b/package.json
index fea575b..e7f38fe 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "type-is",
   "description": "Infer the content-type of a request.",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "contributors": [
     "Douglas Christopher Wilson <doug@somethingdoug.com>",
     "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"