diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90d582e..a05874c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## v2.1.0 → v2.2.0-RC1
+  * Dropped `:read-eval?`, `:print-dup?` options.
+
+  Thanks to James Reeves (weavejester) for these changes!:
+  * Switched to `tools.reader.edn` for safer reader fallback.
+  * Added fast binary serialization for Date and UUID types.
+  * Added fast binary serialization for record types.
+
+
 ## v2.0.0 → v2.1.0
   * Exposed low-level fns: `freeze-to-stream!`, `thaw-from-stream!`.
   * Added `extend-freeze` and `extend-thaw` for extending to custom types:
diff --git a/README.md b/README.md
index 1b253c6..5ebeae5 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 **[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 "2.1.0"] ; See CHANGELOG for changes since 1.x
+[com.taoensso/nippy "2.2.0-RC1"] ; Development (see CHANGELOG for details)
+[com.taoensso/nippy "2.1.0"]     ; Stable
 ```
 
 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.
diff --git a/project.clj b/project.clj
index b29c190..50caa1c 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject com.taoensso/nippy "2.1.0"
+(defproject com.taoensso/nippy "2.2.0-RC1"
   :description "Clojure serialization library"
   :url "https://github.com/ptaoussanis/nippy"
   :license {:name "Eclipse Public License"