diff --git a/pom.xml b/pom.xml
index 0a6a62b2..d3642725 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
     <guava.version>33.3.1-jre</guava.version>
 
     <!-- tooling -->
-    <checkstyle.tool.version>10.20.2</checkstyle.tool.version>
+    <checkstyle.tool.version>10.21.0</checkstyle.tool.version>
 
     <!-- testing -->
     <junit.version>5.11.4</junit.version>