diff --git a/composer.json b/composer.json
index 4a1c393..c62d309 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "require": {
         "php": ">=7.0",
         "netresearch/jsonmapper": "^1.0",
-        "phpdocumentor/reflection-docblock": "^3.1"
+        "phpdocumentor/reflection-docblock": "^4.0.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.5"