@@ -19,7 +19,7 @@
         "ext-ctype": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+        "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0 || ^10.0",
         "ircmaxell/php-yacc": "^0.0.7"
     },
     "extra": {