diff --git a/2019-XLab-KnowledgeReasoning/pom.xml b/2019-XLab-KnowledgeReasoning/pom.xml
index 4e39604..658ecc3 100644
--- a/2019-XLab-KnowledgeReasoning/pom.xml
+++ b/2019-XLab-KnowledgeReasoning/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>org.apache.jena</groupId>
             <artifactId>jena-core</artifactId>
-            <version>3.12.0</version>
+            <version>4.2.0</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.apache.jena/jena-iri -->
         <dependency>