diff --git a/tokhn/pom.xml b/tokhn/pom.xml
index 0a73526..a687169 100644
--- a/tokhn/pom.xml
+++ b/tokhn/pom.xml
@@ -44,6 +44,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
+				<version>3.0.2</version>
 				<configuration>
 					<archive>
 						<manifest>