diff --git a/java/demo/pom.xml b/java/demo/pom.xml
index 072735246..2385b4f3c 100644
--- a/java/demo/pom.xml
+++ b/java/demo/pom.xml
@@ -101,6 +101,11 @@
         </configuration>
         <groupId>org.apache.maven.plugins</groupId>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>3.3.1</version>
+      </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>