diff --git a/pom.xml b/pom.xml
index d0502b091..d661af3e5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -114,7 +114,7 @@
         <snakeyaml.version>2.2</snakeyaml.version>
         <snakeyaml-engine.version>2.7</snakeyaml-engine.version>
         <validation-api.version>2.0.1.Final</validation-api.version>
-        <xo.version>2.2.8</xo.version>
+        <xo.version>2.2.9</xo.version>
         <!-- Maven plugin versions -->
         <doxia-markdown.version>1.12.0</doxia-markdown.version>
         <lombok-maven-plugin.version>1.18.20.0</lombok-maven-plugin.version>