diff --git a/vaadin-package-json-optimizer-demo/pom.xml b/vaadin-package-json-optimizer-demo/pom.xml
index 1c2aa08..55816b3 100644
--- a/vaadin-package-json-optimizer-demo/pom.xml
+++ b/vaadin-package-json-optimizer-demo/pom.xml
@@ -182,7 +182,7 @@
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
 				<artifactId>exec-maven-plugin</artifactId>
-				<version>3.6.1</version>
+				<version>3.6.3</version>
 				<executions>
 					<execution>
 						<id>patch-package-json-overrides</id>