diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7dd9cb256..9cf0efe49 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# v4.3.0-beta
+- [#1221](https://github.com/xmrig/xmrig/issues/1221) Improved RandomX dataset memory usage and initialization speed for NUMA machines.
+
 # v4.2.1-beta
 - [#1150](https://github.com/xmrig/xmrig/issues/1150) Fixed build on FreeBSD.
 - [#1175](https://github.com/xmrig/xmrig/issues/1175) Fixed support for systems where total count of NUMA nodes not equal usable nodes count.