diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50319970f..f8cd3fd6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## (Unreleased)
 
+FEATURES:
+
+  * **New post-processor `checksum`** allows you to create a checksum file as part of your build.
+
 IMPROVEMENTS:
 
   * builder/google: Added support for `image_family` [GH-3503]