diff --git a/composer.json b/composer.json
index 836cb38..25e5e4f 100644
--- a/composer.json
+++ b/composer.json
@@ -9,9 +9,7 @@
 	"type": "library",
 	"require-dev": {
 		"phpunit/phpunit": "^5.2|^7.0|^8.0",
-		"mockery/mockery": "^1.0",
-		"evert/phpdoc-md" : "~0.2.0",
-		"phpdocumentor/phpdocumentor": "2.*"
+		"mockery/mockery": "^1.0"
 	},
 	"require": {
 		"ext-json": "*",