diff --git a/composer.json b/composer.json
index b69aeb1..cc17a9d 100644
--- a/composer.json
+++ b/composer.json
@@ -23,18 +23,9 @@
     "require-dev": {
         "squizlabs/php_codesniffer": "^2.5",
         "escapestudios/symfony2-coding-standard": "^2.9",
-        "wimg/php-compatibility": "^7.0"
+        "phpcompatibility/php-compatibility": "^9.0",
+        "dealerdirect/phpcodesniffer-composer-installer": "^0.7"
     },
-    "scripts": {
-        "default-scripts": [
-            "rm -rf vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/PHPCompatibility; cp -rp vendor/wimg/php-compatibility vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/PHPCompatibility"
-        ],
-        "post-install-cmd": [
-            "@default-scripts"
-        ],
-        "post-update-cmd": [
-            "@default-scripts"
-        ]
-    },
-    "minimum-stability": "dev"
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/ruleset.xml b/phpcs.xml.dist
old mode 100755
new mode 100644
similarity index 69%
rename from ruleset.xml
rename to phpcs.xml.dist
index 3fcb5f3..3785df8
--- a/ruleset.xml
+++ b/phpcs.xml.dist
@@ -5,10 +5,10 @@
     <exclude-pattern>vendor/</exclude-pattern>
     <exclude-pattern>Resources/</exclude-pattern>
 
-    <rule ref="vendor/escapestudios/symfony2-coding-standard/Symfony2"/>
-    <rule ref="vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/PHPCompatibility" />
+    <rule ref="Symfony2"/>
+    <rule ref="PHPCompatibility"/>
 
-    <config name="testVersion" value="5.5-7.0"/>
+    <config name="testVersion" value="5.5-"/>
 
     <rule ref="PEAR.Functions.ValidDefaultValue.NotAtEnd">
         <severity>0</severity>