diff --git a/composer.json b/composer.json
index aacd714..671f4ad 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     },
     "require-dev": {
         "cakephp/cakephp": "^5.0",
-        "phpunit/phpunit": "^11.5.3 || ^12.1.3"
+        "phpunit/phpunit": "^10.5.58 || ^11.5.3 || ^12.4"
     },
     "autoload": {
         "psr-4": {
diff --git a/phpcs.xml b/phpcs.xml
new file mode 100644
index 0000000..f8dafe1
--- /dev/null
+++ b/phpcs.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<ruleset name="sequence">
+    <rule ref="CakePHP"/>
+
+    <file>src/</file>
+    <file>tests/</file>
+</ruleset>