diff --git a/pom.xml b/pom.xml
index b3620b2..1058077 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
 		<version.org.apache.maven.plugins.surefire>3.0.0</version.org.apache.maven.plugins.surefire>
 		<version.org.codehaus.mojo.tidy>1.2.0</version.org.codehaus.mojo.tidy>
 		<version.org.sonatype.plugins.nexus-staging>1.6.13</version.org.sonatype.plugins.nexus-staging>
-		<version.com.puppycrawl.tools.checkstyle>10.8.0</version.com.puppycrawl.tools.checkstyle>
+		<version.com.puppycrawl.tools.checkstyle>10.9.3</version.com.puppycrawl.tools.checkstyle>
 		<version.io.kokuwa.checkstyle>0.5.6</version.io.kokuwa.checkstyle>
 
 		<!-- dependencies -->