diff --git a/parent/pom.xml b/parent/pom.xml
index dc28d04ad..0fe73c1ce 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -25,7 +25,7 @@
         <!-- We can't go to 3.0.0-M2 as it has a regression. See https://issues.apache.org/jira/browse/MENFORCER-306 -->
         <org.apache.maven.plugins.enforcer.version>3.0.0-M1</org.apache.maven.plugins.enforcer.version>
         <org.apache.maven.plugins.surefire.version>2.22.1</org.apache.maven.plugins.surefire.version>
-        <org.apache.maven.plugins.javadoc.version>3.0.1</org.apache.maven.plugins.javadoc.version>
+        <org.apache.maven.plugins.javadoc.version>3.1.0</org.apache.maven.plugins.javadoc.version>
         <org.springframework.version>4.0.3.RELEASE</org.springframework.version>
         <org.eclipse.tycho.compiler-jdt.version>0.26.0</org.eclipse.tycho.compiler-jdt.version>
         <com.puppycrawl.tools.checkstyle.version>8.14</com.puppycrawl.tools.checkstyle.version>
@@ -381,6 +381,7 @@
                     <configuration>
                         <quiet>true</quiet>
                         <excludePackageNames>org.mapstruct.ap.internal.prism;org.mapstruct.itest.jaxb.xsd.*</excludePackageNames>
+                        <source>8</source>
                     </configuration>
                 </plugin>
                 <plugin>