diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ea161ee..2cd9fd8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,16 @@ TweetNaCl.js Changelog
 ======================
 
 
+v0.13.0
+-------
+
+* Made `nacl-fast` the default version in NPM package. Now
+  `require("tweetnacl")` will use fast version; to get the original version,
+  use `require("tweetnacl/nacl.js")`.
+
+* Cleanup temporary array after generating random bytes.
+
+
 v0.12.2
 -------
 
diff --git a/bower.json b/bower.json
index e54ba5f5..d10b71e1 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "tweetnacl",
-  "version": "0.12.2",
+  "version": "0.13.0",
   "homepage": "https://dchest.github.io/tweetnacl-js",
   "authors": [
     "TweetNaCl.js Contributors"
diff --git a/package.json b/package.json
index dee41616..a6b8ce40 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tweetnacl",
-  "version": "0.12.2",
+  "version": "0.13.0",
   "description": "Port of TweetNaCl cryptographic library to JavaScript",
   "main": "nacl-fast.js",
   "directories": {