diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c495129ea7..d418587a63a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Add Python 3.12 to tox
   ([#3616](https://github.com/open-telemetry/opentelemetry-python/pull/3616))
+- Update Semantic Conventions code generation scripts:
+  - fix namespace exclusion that resulted in dropping  `os` and `net` namespaces.
+  - allow to drop specific attributes in preparation for Semantic Conventions v1.26.0
+  ([#3964](https://github.com/open-telemetry/opentelemetry-python/pull/3964))
 
 ## Version 1.25.0/0.46b0 (2024-05-30)