diff --git a/composer.json b/composer.json
index 1d8e102..2a04b13 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,6 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^9.5",
-    "vimeo/psalm": "^4.3",
     "doctrine/coding-standard": "^8.2",
     "phpmd/phpmd": "^2.9",
     "squizlabs/php_codesniffer": "^3.5",
@@ -66,5 +65,10 @@
     "cs": "Checks the coding standard",
     "cs-fix": "Fix the coding standard",
     "sa": "Run static analysis"
+  },
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
   }
 }