diff --git a/composer.json b/composer.json
index bfc1f19..d857ff5 100644
--- a/composer.json
+++ b/composer.json
@@ -34,14 +34,13 @@
   "require-dev": {
 	"consolidation/robo": "^2.0.0",
 	"monolog/monolog": "^2.0.1",
-	"phploc/phploc": "^5.0",
+	"phploc/phploc": "^7.0",
 	"phpmd/phpmd": "^2.8",
 	"phpstan/phpstan": "^0.12.2",
-	"phpunit/phpunit": "^8.5",
-	"sebastian/phpcpd": "^4.1",
+	"phpunit/phpunit": "^9.4",
+	"sebastian/phpcpd": "^6.0",
 	"simpletest/simpletest": "^1.1",
-	"squizlabs/php_codesniffer": "^3.0.0",
-	"theseer/phpdox": "^0.12.0"
+	"squizlabs/php_codesniffer": "^3.0.0"
   },
   "autoload": {
 	"psr-4": {