diff --git a/experimental/CHANGELOG.md b/experimental/CHANGELOG.md
index 62ec3f61c7..32a48f8883 100644
--- a/experimental/CHANGELOG.md
+++ b/experimental/CHANGELOG.md
@@ -47,6 +47,7 @@ All notable changes to experimental packages in this project will be documented
 * feat(sdk-node, sdk-logs): add `mergeResourceWithDefaults` flag, which allows opting-out of resources getting merged with the default resource [#4617](https://github.com/open-telemetry/opentelemetry-js/pull/4617)
   * default: `true`
   * note: `false` will become the default behavior in a future iteration in order to comply with [specification requirements](https://github.com/open-telemetry/opentelemetry-specification/blob/f3511a5ccda376dfd1de76dfa086fc9b35b54757/specification/resource/sdk.md?plain=1#L31-L36)
+* feat(instrumentation): re-export initialize function from import-in-the-middle [#5123](https://github.com/open-telemetry/opentelemetry-js/pull/5123)
 
 ### :bug: (Bug Fix)
 
diff --git a/experimental/packages/opentelemetry-instrumentation/hook.mjs b/experimental/packages/opentelemetry-instrumentation/hook.mjs
index 7111b37699..8ae481fb32 100644
--- a/experimental/packages/opentelemetry-instrumentation/hook.mjs
+++ b/experimental/packages/opentelemetry-instrumentation/hook.mjs
@@ -20,9 +20,10 @@
 // This product includes software developed at Datadog (https://www.datadoghq.com/). Copyright 2021 Datadog, Inc.
 
 import {
+  initialize,
   load,
   resolve,
   getFormat,
   getSource,
 } from 'import-in-the-middle/hook.mjs';
-export { load, resolve, getFormat, getSource };
+export { initialize, load, resolve, getFormat, getSource };