diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58e544e..0a9644f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v2.2.0 → v2.3.0
+  * Huge (~30%) improvement to freeze time courtesy of Zach Tellman (ztellman).
+
+
 ## v2.1.0 → v2.2.0
   * Dropped `:read-eval?`, `:print-dup?` options.
 
diff --git a/README.md b/README.md
index 2ccba91..c5633cf 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 **[API docs](http://ptaoussanis.github.io/nippy/)** | **[CHANGELOG](https://github.com/ptaoussanis/nippy/blob/master/CHANGELOG.md)** | [contact & contributing](#contact--contributing) | [other Clojure libs](https://www.taoensso.com/clojure-libraries) | [Twitter](https://twitter.com/#!/ptaoussanis) | current [semantic](http://semver.org/) version:
 
 ```clojure
-[com.taoensso/nippy "2.2.0"] ; Stable; see CHANGELOG for changes since 1.x
+[com.taoensso/nippy "2.3.0"] ; Stable; see CHANGELOG for changes since 1.x
 ```
 
 v2 adds pluggable compression, crypto support (also pluggable), an improved API (including much better error messages), easier integration into other tools/libraries, and hugely improved performance.
@@ -35,7 +35,7 @@ Nippy is an attempt to provide a reliable, high-performance **drop-in alternativ
 Add the necessary dependency to your [Leiningen](http://leiningen.org/) `project.clj` and `require` the library in your ns:
 
 ```clojure
-[com.taoensso/nippy "2.2.0"] ; project.clj
+[com.taoensso/nippy "2.3.0"] ; project.clj
 (ns my-app (:require [taoensso.nippy :as nippy])) ; ns
 ```
 
diff --git a/project.clj b/project.clj
index 51371d5..6e34868 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject com.taoensso/nippy "2.2.0"
+(defproject com.taoensso/nippy "2.3.0"
   :description "Clojure serialization library"
   :url "https://github.com/ptaoussanis/nippy"
   :license {:name "Eclipse Public License"