diff --git a/tokio/CHANGELOG.md b/tokio/CHANGELOG.md
index 756c2518e08..e96f5e03460 100644
--- a/tokio/CHANGELOG.md
+++ b/tokio/CHANGELOG.md
@@ -10,6 +10,7 @@
 
 ### Added (unstable)
 
+- metrics: add H2 Histogram option to improve histogram granularity ([#6897])
 - runtime: add `LocalRuntime` ([#6808])
 
 ### Changed
@@ -55,6 +56,7 @@
 [#6890]: https://github.com/tokio-rs/tokio/pull/6890
 [#6891]: https://github.com/tokio-rs/tokio/pull/6891
 [#6918]: https://github.com/tokio-rs/tokio/pull/6918
+[#6897]: https://github.com/tokio-rs/tokio/pull/6897
 
 # 1.40.0 (August 30th, 2024)