diff --git a/jvm-packages/pom.xml b/jvm-packages/pom.xml
index 434cbf386..c46aa3689 100644
--- a/jvm-packages/pom.xml
+++ b/jvm-packages/pom.xml
@@ -246,25 +246,6 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>
                 <version>3.0</version>
-                <configuration>
-                    <reportPlugins>
-                        <plugin>
-                            <artifactId>maven-project-info-reports-plugin</artifactId>
-                            <version>2.2</version>
-                        </plugin>
-                        <plugin>
-                            <groupId>net.alchim31.maven</groupId>
-                            <artifactId>scala-maven-plugin</artifactId>
-                            <version>3.2.1</version>
-                            <configuration>
-                                <jvmArgs>
-                                    <jvmArg>-Xms64m</jvmArg>
-                                    <jvmArg>-Xmx1024m</jvmArg>
-                                </jvmArgs>
-                            </configuration>
-                        </plugin>
-                    </reportPlugins>
-                </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -343,6 +324,25 @@
             </plugin>
         </plugins>
     </build>
+    <reporting>
+        <plugins>
+            <plugin>
+                <artifactId>maven-project-info-reports-plugin</artifactId>
+                <version>2.2</version>
+            </plugin>
+            <plugin>
+                <groupId>net.alchim31.maven</groupId>
+                <artifactId>scala-maven-plugin</artifactId>
+                <version>3.2.1</version>
+                <configuration>
+                    <jvmArgs>
+                        <jvmArg>-Xms64m</jvmArg>
+                        <jvmArg>-Xmx1024m</jvmArg>
+                    </jvmArgs>
+                </configuration>
+            </plugin>
+        </plugins>
+    </reporting>
     <dependencies>
         <dependency>
             <groupId>com.esotericsoftware.kryo</groupId>
diff --git a/jvm-packages/xgboost4j/pom.xml b/jvm-packages/xgboost4j/pom.xml
index 66045b2a0..1304269cd 100644
--- a/jvm-packages/xgboost4j/pom.xml
+++ b/jvm-packages/xgboost4j/pom.xml
@@ -54,6 +54,7 @@
           <plugin>
               <artifactId>exec-maven-plugin</artifactId>
               <groupId>org.codehaus.mojo</groupId>
+              <version>1.6.0</version>
               <executions>
                   <execution>
                       <id>native</id>