diff --git a/pom.xml b/pom.xml
index 0983a21..eba84fc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
     <!-- ============================================== -->
 
     <checkstyle-plugin.version>3.6.0</checkstyle-plugin.version>
-    <checkstyle.version>10.20.2</checkstyle.version>
+    <checkstyle.version>10.21.0</checkstyle.version>
     <slf4j.version>2.0.16</slf4j.version>
     <rat.version>0.16.1</rat.version>
     <jacoco.version>0.8.12</jacoco.version>