diff --git a/composer.json b/composer.json
index d8ed7624..be5c621d 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
         "ext-pcre": "*",
         "ext-reflection": "*",
         "ext-simplexml": "*",
-        "fidry/cpu-core-counter": "^1.0.0",
+        "fidry/cpu-core-counter": "^0.5.1 || ^1.0.0",
         "jean85/pretty-package-versions": "^2.0.5",
         "phpunit/php-code-coverage": "^10.1.7",
         "phpunit/php-file-iterator": "^4.1.0",