diff --git a/.cspell-project-words.txt b/.cspell-project-words.txt
index 6d9042a0210c04e3bbc65682b5bf0909e971df47..7b59801f456690536c934148d92b9d509d966379 100644
--- a/.cspell-project-words.txt
+++ b/.cspell-project-words.txt
@@ -12,6 +12,7 @@ phpcsignore
 phpcsmodule
 phplintmodule
 phploc
+phpmd
 phpmetrics
 phpmetricsmodule
 phpstanmodule
diff --git a/composer.json b/composer.json
index 33d1de8f8a0d1cb5a5aa579d5392dc749ba04ff8..45334956dbd5d70541be4001738b08a07fea7316 100644
--- a/composer.json
+++ b/composer.json
@@ -59,6 +59,7 @@
     "mikey179/vfsstream": "*",
     "php-parallel-lint/php-parallel-lint": "*",
     "phpmd/phpmd": "*",
+    "phpmetrics/phpmetrics": "^2.8",
     "phpspec/prophecy": "*",
     "phpspec/prophecy-phpunit": "*",
     "phpstan/extension-installer": "*",