diff --git a/null-null.jar b/null-null.jar
new file mode 100644
index 000000000..2adaecf0e
Binary files /dev/null and b/null-null.jar differ
diff --git a/pom.xml b/pom.xml
index e0cfdb86b..64071fc35 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven.plugins</groupId>
     <artifactId>maven-plugins</artifactId>
-    <version>40</version>
+    <version>41</version>
     <relativePath />
   </parent>
 
@@ -498,7 +498,6 @@ under the License.
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-invoker-plugin</artifactId>
-            <version>3.6.0</version>
             <configuration>
               <localRepositoryPath>${project.build.directory}/local-repo</localRepositoryPath>
               <projectsDirectory>src/it/projects</projectsDirectory>