diff --git a/composer.json b/composer.json
index 2a75a30..ec43e92 100644
--- a/composer.json
+++ b/composer.json
@@ -22,9 +22,9 @@
         "phpunit/phpunit": "^4.8.36 || ^7.0",
         "phpdocumentor/phpdocumentor":"2.*",
         "phpmd/phpmd": "2.*",
-        "sebastian/phpcpd": "2.*",
-        "phploc/phploc": "2.*",
-        "squizlabs/php_codesniffer": "2.*"
+        "sebastian/phpcpd": "2.* || 3.* || 4.* || 5.* || 6.*",
+        "phploc/phploc": "2.* || 3.* || 4.* || 5.* || 6.* || 7.*",
+        "squizlabs/php_codesniffer": "2.* || ^3.5"
     },
     "autoload": {
         "psr-4": {