diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1145a062..47321ab5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Features
 
 - Allow the `-A` and `-I` options to `icyc`, for specifying additional library import directories.
 - Perform constant folding as part of the CPS optimization phase.
+- Avoid heap allocations by statically allocating closures that do not contain any free variables.
 
 Bug Fixes