diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0bb05a..eb93e74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## 2.2.1 [unreleased]
 
+- Added `avg`, `cardinality`, `max`, `min`, and `sum` aggregations
 - Accept string for `exclude` option
 
 ## 2.2.0
--
libgit2 0.21.0