diff --git a/README.md b/README.md
index 92fba34..88c18a4 100644
--- a/README.md
+++ b/README.md
@@ -26,3 +26,4 @@ composer require sunrise/coding-standard
 
 * https://www.php-fig.org/psr/psr-1/
 * https://www.php-fig.org/psr/psr-2/
+* https://www.php-fig.org/psr/psr-12/
diff --git a/ruleset.xml b/ruleset.xml
index 74dd973..5e7f8fd 100644
--- a/ruleset.xml
+++ b/ruleset.xml
@@ -6,6 +6,6 @@
     <arg name="colors"/>
 
     <!-- https://github.com/squizlabs/PHP_CodeSniffer/wiki/Customisable-Sniff-Properties -->
-    <rule ref="PSR2"/>
+    <rule ref="PSR12"/>
     <rule ref="Generic.Arrays.DisallowLongArraySyntax"/>
 </ruleset>