diff --git a/composer.json b/composer.json
index f696db3..233c59f 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.5 || ^8.5.23 || ^9.0",
+        "phpunit/phpunit": "^7.5 || ^8.5.23 || ^9.0 || ^10.0",
         "phpstan/phpstan": "1.4.10"
     }
 }