diff --git a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/EditLiteral.java b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/EditLiteral.java
index 95f2848b7..8ff13bfc0 100644
--- a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/EditLiteral.java
+++ b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/EditLiteral.java
@@ -132,6 +132,11 @@ public class EditLiteral implements Literal {
         throw new UnsupportedOperationException();
     }
 
+    @Override
+    public boolean isStmtResource() {
+        throw new UnsupportedOperationException();
+    }
+
     public Literal inModel(Model model) {
         throw new UnsupportedOperationException();
     }
diff --git a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/adapters/AbstractModelDecorator.java b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/adapters/AbstractModelDecorator.java
index 052d1b8db..e72e78520 100644
--- a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/adapters/AbstractModelDecorator.java
+++ b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/adapters/AbstractModelDecorator.java
@@ -325,6 +325,11 @@ public abstract class AbstractModelDecorator implements Model {
 		return inner.lock();
 	}
 
+	@Override
+	public boolean hasNoMappings() {
+		return inner.hasNoMappings();
+	}
+
 	@Override
 	public boolean samePrefixMappingAs(PrefixMapping other) {
 		return inner.samePrefixMappingAs(other);
@@ -684,6 +689,11 @@ public abstract class AbstractModelDecorator implements Model {
 		return inner.createResource(uri);
 	}
 
+	@Override
+	public Resource createResource(Statement statement) {
+		return inner.createResource(statement);
+	}
+
 	@Override
 	public Property createProperty(String nameSpace, String localName) {
 		return inner.createProperty(nameSpace, localName);
diff --git a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/adapters/AbstractOntModelDecorator.java b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/adapters/AbstractOntModelDecorator.java
index 895928987..f9305d8f4 100644
--- a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/adapters/AbstractOntModelDecorator.java
+++ b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/rdfservice/adapters/AbstractOntModelDecorator.java
@@ -364,6 +364,11 @@ public abstract class AbstractOntModelDecorator implements OntModel {
 		return inner.lock();
 	}
 
+	@Override
+	public boolean hasNoMappings() {
+		return inner.hasNoMappings();
+	}
+
 	@Override
 	public boolean samePrefixMappingAs(PrefixMapping other) {
 		return inner.samePrefixMappingAs(other);
@@ -729,6 +734,11 @@ public abstract class AbstractOntModelDecorator implements OntModel {
 		return inner.createResource(uri);
 	}
 
+	@Override
+	public Resource createResource(Statement statement) {
+		return inner.createResource(statement);
+	}
+
 	@Override
 	public Property createProperty(String nameSpace, String localName) {
 		return inner.createProperty(nameSpace, localName);
diff --git a/api/src/test/java/stubs/org/apache/jena/rdf/model/LiteralStub.java b/api/src/test/java/stubs/org/apache/jena/rdf/model/LiteralStub.java
index 56142fc7a..fac169042 100644
--- a/api/src/test/java/stubs/org/apache/jena/rdf/model/LiteralStub.java
+++ b/api/src/test/java/stubs/org/apache/jena/rdf/model/LiteralStub.java
@@ -44,6 +44,11 @@ public class LiteralStub implements Literal {
 		return false;
 	}
 
+	@Override
+	public boolean isStmtResource() {
+		return false;
+	}
+
 	@Override
 	public boolean isURIResource() {
 		return false;
diff --git a/dependencies/pom.xml b/dependencies/pom.xml
index 01059dcf3..591762fb7 100644
--- a/dependencies/pom.xml
+++ b/dependencies/pom.xml
@@ -176,7 +176,7 @@
         <dependency>
             <groupId>org.apache.jena</groupId>
             <artifactId>jena-arq</artifactId>
-            <version>3.11.0</version>
+            <version>3.16.0</version>
             <exclusions>
                 <!-- Exclude OSGi bundles from jsonld-java -->
                 <exclusion>
@@ -192,23 +192,33 @@
         <dependency>
             <groupId>org.apache.jena</groupId>
             <artifactId>jena-core</artifactId>
-            <version>3.11.0</version>
+            <version>3.16.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.jena</groupId>
             <artifactId>jena-sdb</artifactId>
-            <version>3.11.0</version>
+            <version>3.16.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.jena</groupId>
             <artifactId>jena-tdb</artifactId>
-            <version>3.11.0</version>
+            <version>3.16.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.solr</groupId>
             <artifactId>solr-solrj</artifactId>
             <version>7.4.0</version>
         </dependency>
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.15</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+            <version>1.7.26</version>
+        </dependency>
         <dependency>
             <groupId>org.directwebremoting</groupId>
             <artifactId>dwr</artifactId>