diff --git a/composer.json b/composer.json
index f5d4119..1c028ad 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,8 @@
   ],
   "require": {
     "php": ">=7.1",
-    "letsdrink/ouzo-goodies": "dev-master"
+    "letsdrink/ouzo-goodies": "dev-master",
+    "doctrine/annotations": "1.7.x-dev"
   },
   "require-dev": {
     "phpunit/phpunit": "~7.1.1",