diff --git a/CHANGELOG.md b/CHANGELOG.md
index cb77aa99..5b6a4770 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -70,6 +70,7 @@
 - doc: fix typo in usage.md, add documentation links to README @devs6186 #2274
 - doc: add table comparing ways to consume capa output (CLI, IDA, Ghidra, dynamic sandbox, web) @devs6186 #2273
 - binja: add mypy config for top-level binaryninja module to fix mypy issues @devs6186 #2399
+- rules: index extracted bytes by length-prefix buckets for O(1) candidate selection instead of linear scan #2128
 - ci: deprecate macos-13 runner and use Python v3.13 for testing @mike-hunhoff #2777
 - ci: pin pip-audit action SHAs and update to v1.1.0 @kami922 #1131