diff --git a/config/phpmd/ruleset.xml b/config/phpmd/ruleset.xml
index 70c920e..477bc11 100644
--- a/config/phpmd/ruleset.xml
+++ b/config/phpmd/ruleset.xml
@@ -13,4 +13,5 @@
     <rule ref="rulesets/naming.xml"/>
     <rule ref="rulesets/unusedcode.xml"/>
     <rule ref="rulesets/design.xml"/>
+    <rule ref="rulesets/controversial.xml"/>
 </ruleset>