diff --git a/slf4j-site/pom.xml b/slf4j-site/pom.xml
index 03e7c9ff..f016347c 100755
--- a/slf4j-site/pom.xml
+++ b/slf4j-site/pom.xml
@@ -31,6 +31,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
+        <version>3.3</version>
         <configuration>
           <outputDirectory>${project.parent.basedir}/target/site
           </outputDirectory>