diff --git a/pom.xml b/pom.xml
index 25d7038f66..8379e978e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -217,6 +217,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>
+                <version>3.5.1</version>
                 <configuration>
                     <skipDeploy>true</skipDeploy><!-- don't deploy site with maven-site-plugin -->
                 </configuration>