diff --git a/composer.json b/composer.json
index 338f8ae..56f2f7c 100644
--- a/composer.json
+++ b/composer.json
@@ -4,8 +4,8 @@
     "keywords": ["normalization", "denormalization"],
     "license": "MIT",
     "require": {
-	    "php": "^5.6 || ^7.0 || ^8.0",
-        "symfony/serializer": "^2.3 || ^3.0 || ^4.0"
+        "php": "^5.6 || ^7.0 || ^8.0",
+        "symfony/serializer": "^2.3 || ^3.0 || ^4.0 || ^5.0"
     },
     "require-dev": {
         "doctrine/common": "^2.1",