diff --git a/CHANGELOG.md b/CHANGELOG.md
index d051302..08d901c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v0.2.1
+
+* Improvements
+  * Raise an error at compile-time if the application environment looks like
+    it's using the `:nerves_firmware_ssh` key instead of the `:nerves_ssh` one.
+
 ## v0.2.0
 
 This update makes using the application environment optional. If you don't have
diff --git a/mix.exs b/mix.exs
index 7dbae0c..fde9585 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule NervesSSH.MixProject do
   use Mix.Project
 
-  @version "0.2.0"
+  @version "0.2.1"
   @source_url "https://github.com/nerves-project/nerves_ssh"
 
   def project do