diff --git a/.gitattributes b/.gitattributes
index 8812f70f..2ceea86a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,13 +1,22 @@
+/.github export-ignore
+/examples export-ignore
+/tests export-ignore
+/website export-ignore
+/.dockerignore export-ignore
+/.editorconfig export-ignore
 /.gitattributes export-ignore
 /.gitignore export-ignore
-/.php_cs export-ignore
-/.travis.yml export-ignore
-/CHANGELOG.md export-ignore
+/.nvmrc export-ignore
+/.php-cs-fixer.php export-ignore
+/.prettierignore export-ignore
+/composer.lock export-ignore
 /CONTRIBUTING.md export-ignore
-/examples export-ignore
+/dangerfile.js export-ignore
+/inflection.json export-ignore
+/Makefile export-ignore
+/package.json export-ignore
 /phpunit.xml.dist export-ignore
 /psalm.xml export-ignore
-/README.md export-ignore
-/tests export-ignore
+/rulesets.xml export-ignore
 /UPGRADE.md export-ignore
-/website export-ignore
+/yarn.lock export-ignore
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62742f94..cccd9318 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,11 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+-   Update `.gitattributes` file to exclude unnecessary files when fetching package through Composer. [#510](https://github.com/markuspoerschke/iCal/pull/510)
+
 ## [2.11.0] - 2023-01-17
 
 ### Changed
 
--   Declare CalendarFactory::getProperties protected i/o private to open it for extension [#386](https://github.com/markuspoerschke/iCal/pull/386)
+-   Declare `CalendarFactory::getProperties` protected i/o private to open it for extension [#386](https://github.com/markuspoerschke/iCal/pull/386)
 
 ## [2.10.0] - 2023-01-17