diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 413c01cc2..69a832cae
--- a/pom.xml
+++ b/pom.xml
@@ -225,7 +225,7 @@
 
             <plugin>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.1.2</version>
+                <version>3.3.1</version>
                 <executions>
                     <execution>
                         <id>checkstyle</id>