diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e47304..7feb58e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## v0.3.0
+
+* New Features
+  * Support signing JWTs for use with the Google Cloud
+    Platform's IoT Core MQTT broker. Thanks to Alex McLain for this PR. See
+    [Issue 34](https://github.com/nerves-hub/atecc508a/pull/34).
+  * Identify the ATECC608B
+
 ## v0.2.3
 
 * Bug fixes
diff --git a/README.md b/README.md
index 8e86738..9f7cc8d 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ in `mix.exs`:
 ```elixir
 def deps do
   [
-    {:atecc508a, "~> 0.2.2"}
+    {:atecc508a, "~> 0.3.0"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index 5f9e589..7e27b82 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule ATECC508A.MixProject do
   use Mix.Project
 
-  @version "0.2.3"
+  @version "0.3.0"
   @source_url "https://github.com/nerves-hub/atecc508a"
 
   def project do