diff --git a/.gitignore b/.gitignore
index e9c5ff858..adfec8c23 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /composer.lock
 /vendor
 .idea
+/.phpunit.result.cache
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6d9286ea..84de9c08f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Changed
 - Try to capture complete response body as error message when using guzzle instead of using guzzle's truncated message
+- Adapted to Symfony >=4.3 event dispatching, backward compatible to >=3.4, <=4.2
 
 ### Fixed
 - Complex ReRank queries should not cause Solr parse errors