diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index e72d519..f12de89
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>versions-maven-plugin</artifactId>
-                <version>2.5</version>
+                <version>2.21.0</version>
                 <configuration>
                     <processAllModules>true</processAllModules>
                 </configuration>