diff --git a/pom.xml b/pom.xml
index f3382d2..99b5051 100644
--- a/pom.xml
+++ b/pom.xml
@@ -218,6 +218,7 @@
       <plugins>
         <plugin>
           <artifactId>maven-site-plugin</artifactId>
+          <version>2.2</version>
           <configuration>
             <stagingSiteURL>scp://people.apache.org/www/maven.apache.org/plugin-tools/${project.artifactId}-${project.version}</stagingSiteURL>
           </configuration>