diff --git a/edu.gatech.mbsec.adapter.magicdraw.clients/pom.xml b/edu.gatech.mbsec.adapter.magicdraw.clients/pom.xml
index 653ae66..447c13f 100644
--- a/edu.gatech.mbsec.adapter.magicdraw.clients/pom.xml
+++ b/edu.gatech.mbsec.adapter.magicdraw.clients/pom.xml
@@ -92,7 +92,7 @@
 		<dependency>
 			<groupId>org.apache.jena</groupId>
 			<artifactId>jena-core</artifactId>
-			<version>4.1.0</version>
+			<version>3.1.0</version>
 		</dependency>
 
 		<dependency>
diff --git a/edu.gatech.mbsec.adapter.magicdraw.clients/src/main/java/adapter/clients/GETSysMLBlocksAndSaveAsRDF.java b/edu.gatech.mbsec.adapter.magicdraw.clients/src/main/java/adapter/clients/GETSysMLBlocksAndSaveAsRDF.java
index 104e547..56db457 100644
--- a/edu.gatech.mbsec.adapter.magicdraw.clients/src/main/java/adapter/clients/GETSysMLBlocksAndSaveAsRDF.java
+++ b/edu.gatech.mbsec.adapter.magicdraw.clients/src/main/java/adapter/clients/GETSysMLBlocksAndSaveAsRDF.java
@@ -44,7 +44,7 @@
 import org.glassfish.jersey.client.ClientConfig;
 
 import org.apache.jena.rdf.model.Model;
-import org.apache.jena.rdf.model.RDFWriterI;
+import org.apache.jena.rdf.model.RDFWriter;
 
 
 
@@ -76,7 +76,7 @@ public void start() {
 				// print requirements in RDF file
 				try {
 					Model model = JenaModelHelper.createJenaModel(objects);
-					RDFWriterI writer = writer = model.getWriter("RDF/XML");
+					RDFWriter writer = writer = model.getWriter("RDF/XML");
 			        writer.setProperty("showXmlDeclaration",
 			                           "false");
 			        writer.setErrorHandler(new ErrorHandler());