Updated changelog
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a78c51..c34fcc7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- PNG support for avifenc/avifdec
+
 ### Changed
 - Fixed Clang10 build warning