fix build errors

Author: skarimo

pom.xml

@@ -277,7 +277,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.4</version>
+                <version>3.6.1</version>
 
                 <configuration>
                     <filters>