diff --git a/k3-tools/fr.inria.diverse.k3.tools.plantuml.mavenplugin/pom.xml b/k3-tools/fr.inria.diverse.k3.tools.plantuml.mavenplugin/pom.xml
index 180ffdd8..25971db6 100644
--- a/k3-tools/fr.inria.diverse.k3.tools.plantuml.mavenplugin/pom.xml
+++ b/k3-tools/fr.inria.diverse.k3.tools.plantuml.mavenplugin/pom.xml
@@ -112,7 +112,7 @@
 		<dependency>
 			<groupId>org.apache.maven</groupId>
 			<artifactId>maven-core</artifactId>
-			<version>3.5.4</version>
+			<version>3.8.1</version>
 		</dependency>
 		
 		<!-- test dependencies -->