diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3655d32d..7729122d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## 0.22 - TBD
 
+Features
+- Added definitions from SRFI 162 (comparators sublibrary) to the `(srfi 128)` library.
+
 Bug Fixes
 
 - The compiler now displays a helpful error message to the user when compilation of a program fails due to an error building a dependent library.