diff --git a/home/pom.xml b/home/pom.xml
index 1887316ad..e7864cefd 100644
--- a/home/pom.xml
+++ b/home/pom.xml
@@ -70,11 +70,13 @@
             <groupId>org.vivoweb</groupId>
             <artifactId>jena2tools</artifactId>
             <version>1.0</version>
+            <optional>true</optional>
         </dependency>
         <dependency>
             <groupId>org.vivoweb</groupId>
             <artifactId>jena3tools</artifactId>
             <version>1.0</version>
+            <optional>true</optional>
         </dependency>
     </dependencies>
 </project>