diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc065fe4343..e49f315e0e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 
 ### :rocket: (Enhancement)
 
+* feat(instrumentation): Make `init()` method public [#4418](https://github.com/open-telemetry/opentelemetry-js/pull/4418)
+
 ### :bug: (Bug Fix)
 
 * fix(sdk-trace-base): ensure attribute value length limit is enforced on span creation [#4417](https://github.com/open-telemetry/opentelemetry-js/pull/4417) @pichlermarc
diff --git a/experimental/CHANGELOG.md b/experimental/CHANGELOG.md
index 21e254222e7..66d0c293328 100644
--- a/experimental/CHANGELOG.md
+++ b/experimental/CHANGELOG.md
@@ -8,6 +8,8 @@ All notable changes to experimental packages in this project will be documented
 
 ### :rocket: (Enhancement)
 
+* feat(instrumentation): Make `init()` method public [#4418](https://github.com/open-telemetry/opentelemetry-js/pull/4418)
+
 ### :bug: (Bug Fix)
 
 ### :books: (Refine Doc)