diff --git a/docs/release-notes/index.md b/docs/release-notes/index.md
index 60c1e207d..3a71f7eb8 100644
--- a/docs/release-notes/index.md
+++ b/docs/release-notes/index.md
@@ -28,6 +28,16 @@ All notable changes to this project will be documented here. This project adhere
 
 % ### Fixes [elastic-apm-ruby-agent-versionext-fixes]
 
+## 4.9.0 [elastic-apm-ruby-agent-490-release-notes]
+
+### Features and enhancements [elastic-apm-ruby-agent-490-features-enhancements]
+* Add ability to configure sampling rate based on transaction span name [#1531](https://github.com/elastic/apm-agent-ruby/pull/1531)
+* Set version 7.0 as http gem upper bound in gemspec [#1624](https://github.com/elastic/apm-agent-ruby/pull/1624)
+
+### Fixes [elastic-apm-ruby-agent-490-fixes]
+* Use status code explicitly in central config for changes in http 6.0 [#1615](https://github.com/elastic/apm-agent-ruby/pull/1615)
+* Use headers method directly for compatibility with all versions of http [#1629](https://github.com/elastic/apm-agent-ruby/pull/1629)
+
 ## 4.8.0 [elastic-apm-ruby-agent-480-release-notes]
 
 ### Features and enhancements [elastic-apm-ruby-agent-480-features-enhancements]