diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c8b9f65171..7bf7661d02f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 * [BUGFIX] Choose a default step for a gRPC streaming query range request if none is provided. [#4546](https://github.com/grafana/tempo/pull/4546) (@joe-elliott)
   Fix an issue where the tempo-cli was not correctly dumping exemplar results.
+* [BUGFIX] Fix performance bottleneck and file cleanup in block builder [#4550](https://github.com/grafana/tempo/pull/4550) (@mdisibio)
 
 # v2.7.0