diff --git a/composer.json b/composer.json
index 71b8af6..0fe3498 100644
--- a/composer.json
+++ b/composer.json
@@ -14,18 +14,22 @@
         "php": ">=7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6.5 || ^7.5 || ^8.0 || ^9.0",
-        "squizlabs/php_codesniffer": "^3.5",
-        "wp-coding-standards/wpcs": "^2.3",
-        "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
+        "phpunit/phpunit": "^6.5",
         "10up/wp_mock": "0.3.0",
-        "antecedent/patchwork": "^2.1.21"
+        "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
+        "wp-coding-standards/wpcs": "^3.0",
+        "phpcompatibility/phpcompatibility-wp": "^2.1"
     },
     "autoload": {
         "psr-4": {
             "WPALLSTARS\\PluginStarterTemplate\\": "includes/"
         }
     },
+    "autoload-dev": {
+        "classmap": [
+            "includes/Admin/class-admin.php"
+        ]
+    },
     "scripts": {
         "phpcs": "phpcs --standard=WordPress",
         "phpcbf": "phpcbf --standard=WordPress",