diff --git a/composer.json b/composer.json
index 454beea..d882a97 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,10 @@
         "php": "^5.5 || ^7.0 || ^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.8.36",
-        "squizlabs/php_codesniffer": "3.*"
+        "phpunit/phpunit": "^4.8 || ^5.7 || ^6.5 || ^7.5 || ^8.5 || ^9.3",
+        "squizlabs/php_codesniffer": "3.*",
+        "ext-json": "*",
+        "ext-xml": "*"
     },
     "autoload": {
         "psr-4": {"Thrift\\": "lib/php/lib/"}