CHANGELOG.md in opentelemetry-instrumentation-active_support-0.5.0 vs CHANGELOG.md in opentelemetry-instrumentation-active_support-0.5.1

@@ -1,6 +1,10 @@
 # Release History: opentelemetry-instrumentation-active_support
 
+### v0.5.1 / 2023-11-23
+
+* CHANGED: Applied Rubocop Performance Recommendations [#727](https://github.com/open-telemetry/opentelemetry-ruby-contrib/pull/727)
+
 ### v0.5.0 / 2023-11-22
 
 * BREAKING CHANGE: Drop Rails 6.0 EOL
 
 * ADDED: Drop Rails 6.0 EOL