diff --git a/composer.json b/composer.json
index 98f9e405..c546e114 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,8 @@
         "johnkary/phpunit-speedtrap": "^1.0",
         "mikey179/vfsStream": "~1.6",
         "phploc/phploc": "2.*",
-        "sebastian/phpcpd": "2.*"
+        "sebastian/phpcpd": "2.*",
+        "phpdocumentor/reflection-docblock": "^2.0"
     },
     "autoload": {
         "psr-4": {