diff --git a/CHANGELOG.md b/CHANGELOG.md
index 750e45f..fea608e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,14 @@
 # Change Log
 
+### 4.2.1 - 30 August 2020
+
+- Give command handlers the ability to save and restore their state (#208)
+- Do not inject $input and $output into the command instance unless it supports saving and restoring state.
+
 ### 4.2.0 - 27 August 2020
 
+DEPRECATED RELEASE. Do not use.
+
 - Inject $input and $output into the command instance if it is set up to receive them. (#207)
 
 ### 4.1.1 - 27 May 2020