diff --git a/pom.xml b/pom.xml
index 76b4bcf..b02ca1c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,7 +44,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.2.1</version>
+                <version>3.3.1</version>
                 <configuration>
                     <configLocation>checkstyle.xml</configLocation>
                     <propertyExpansion>basedir=${basedir}</propertyExpansion>
@@ -117,7 +117,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.2.1</version>
+                <version>3.3.1</version>
                 <configuration>
                     <configLocation>checkstyle.xml</configLocation>
                     <propertyExpansion>basedir=${basedir}</propertyExpansion>