diff --git a/CHANGELOG.md b/CHANGELOG.md
index c4e265b5..e030c862 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 11.21.0
+  - Added support for propagating event processing metadata when this output is downstream of an Elastic Integration Filter and configured _without_ explicit `index`, `document_id`, or `pipeline` directives [#1155](https://github.com/logstash-plugins/logstash-output-elasticsearch/pull/1155)
+
 ## 11.20.1
   - Doc: Replace `document_already_exist_exception` with `version_conflict_engine_exception` in the `silence_errors_in_log` setting example [#1159](https://github.com/logstash-plugins/logstash-output-elasticsearch/pull/1159)
 
diff --git a/logstash-output-elasticsearch.gemspec b/logstash-output-elasticsearch.gemspec
index 3dd9b918..3d0cae46 100644
--- a/logstash-output-elasticsearch.gemspec
+++ b/logstash-output-elasticsearch.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name            = 'logstash-output-elasticsearch'
-  s.version         = '11.20.1'
+  s.version         = '11.21.0'
   s.licenses        = ['apache-2.0']
   s.summary         = "Stores logs in Elasticsearch"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"