diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 2950922d..a21c76d7 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -1,5 +1,17 @@
 <?xml version="1.0"?>
 <ruleset name="Project Rules">
+
+	<!-- Only scan PHP files. -->
+	<arg name="extensions" value="php"/>
+
+	<!-- Show sniff codes in all reports. -->
+	<arg value="ps"/>
+
+	<file>.</file>
+
+	<exclude-pattern type="relative">^tests/*</exclude-pattern>
+	<exclude-pattern type="relative">^vendor/*</exclude-pattern>
+
 	<rule ref="10up-Default" />
 	<rule ref="WordPress-VIP-Go">
 		<!--