diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca13d9b..1d0afee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## (unreleased)
 
+Features:
+
+* support for anonymous variables
+
 Bug Fixes:
 
 * fixes incorrectly simplified rules with comparisons