diff --git a/PronamicWP/ruleset.xml b/PronamicWP/ruleset.xml
index 17a52c3..4d94962 100644
--- a/PronamicWP/ruleset.xml
+++ b/PronamicWP/ruleset.xml
@@ -24,7 +24,7 @@
 	<config name="minimum_wp_version" value="6.2" />
 
 	<!-- PHP compatibility test version. -->
-	<config name="testVersion" value="8.0-" />
+	<config name="testVersion" value="8.1-" />
 
 	<!-- Exclude files relative to the root of the project -->
 	<!-- @link https://github.com/squizlabs/PHP_CodeSniffer/issues/981 -->