diff --git a/composer.json b/composer.json
index 83fdde7d..eda5dc76 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
   "require": {
     "php": ">=5.5",
     "ext-mbstring": "*",
-    "symfony/property-access": "^2.8 || ^3.4 || ^4.4"
+    "symfony/property-access": "^2.8 || ^3.4 || ^4.4 || ^5.4"
   },
   "require-dev": {
     "phpunit/phpunit": "^4.8"