diff --git a/composer.json b/composer.json
index bca100c..b692611 100644
--- a/composer.json
+++ b/composer.json
@@ -16,14 +16,14 @@
         "issues": "https://github.com/mainwp/mainwp-child/issues",
         "source": "https://github.com/mainwp/mainwp"
     },
-        "require": {
+    "require": {
         "composer/installers": "^1.6",
         "php": ">=5.6|>=7.0"
    },
     "require-dev": {
-        "dealerdirect/phpcodesniffer-composer-installer": "0.6.2",
+        "dealerdirect/phpcodesniffer-composer-installer": "^0.5",
         "phpcompatibility/php-compatibility": "^9.0",
-        "phpunit/phpunit": "^6.5",
+        "phpunit/phpunit": "^9.0",
         "wp-cli/wp-cli": "^2.0"
     },
     "autoload-dev": {