diff --git a/pom.xml b/pom.xml
index 6946be99..0686eca5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -82,7 +82,7 @@
     <maven-pmd-plugin.version>3.14.0</maven-pmd-plugin.version>
     <pmd.version>6.30.0</pmd.version>
     <maven-checkstyle-plugin.version>3.1.1</maven-checkstyle-plugin.version>
-    <checkstyle.version>8.39</checkstyle.version>
+    <checkstyle.version>8.40</checkstyle.version>
     <spotbugs-maven-plugin.version>4.2.0</spotbugs-maven-plugin.version>
     <findsecbugs-plugin.version>1.11.0</findsecbugs-plugin.version>
     <jacoco-maven-plugin.version>0.8.6</jacoco-maven-plugin.version>