diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae3271e..4cc946e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- Make package compatible with Symfony 4
 
 ## [0.2.1] - 2018-06-19
 ### Added
diff --git a/composer.json b/composer.json
index 6f5d00e..5d46c0a 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     },
     "require": {
         "php": "^5.6|>=7.0.8",
-        "symfony/property-access": "^3.4"
+        "symfony/property-access": "^3.4| ^4.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.7"