diff --git a/executor-robot/pom.xml b/executor-robot/pom.xml
index df38da2..aecbd01 100644
--- a/executor-robot/pom.xml
+++ b/executor-robot/pom.xml
@@ -82,12 +82,21 @@
             <version>0.0.1-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>com.github.jsonld-java</groupId>
+            <artifactId>jsonld-java</artifactId>
+            <version>0.13.4</version>
+        </dependency>
         <dependency>
 			<groupId>com.github.Interactions-HSG</groupId>
 			<artifactId>wot-td-java</artifactId>
 			<version>master-SNAPSHOT</version>
-            <scope>compile</scope>
 		</dependency>
+        <dependency>
+            <groupId>com.github.jsonld-java</groupId>
+            <artifactId>jsonld-java</artifactId>
+            <version>0.13.4</version>
+        </dependency>
     </dependencies>
 
 	<build>