diff --git a/pom.xml b/pom.xml
index d2867b16e4..795cd885f5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -939,6 +939,7 @@
                <artifactId>maven-javadoc-plugin</artifactId>
                <configuration>
                   <doclint>none</doclint>
+                  <source>8</source>
                </configuration>
             </plugin>