diff --git a/README.md b/README.md
index cd699f4..c37f729 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ The client can be used with Java 1.8+ and pulled into Maven or Gradle projects.
 <dependency>
   <groupId>com.vertexvis</groupId>
   <artifactId>api-client-java</artifactId>
-  <version>0.15.0</version>
+  <version>0.16.0</version>
   <scope>compile</scope>
 </dependency>
 ```
@@ -25,13 +25,13 @@ The client can be used with Java 1.8+ and pulled into Maven or Gradle projects.
 ### Gradle
 
 ```groovy
-compile "com.vertexvis:api-client-java:0.15.0"
+compile "com.vertexvis:api-client-java:0.16.0"
 ```
 
 ### Sbt
 
 ```sbt
-libraryDependencies += "com.vertexvis" % "api-client-java" % "0.15.0"
+libraryDependencies += "com.vertexvis" % "api-client-java" % "0.16.0"
 ```
 
 ### Others
@@ -44,7 +44,7 @@ mvn clean package
 
 Then manually install the following JARs.
 
-- `target/api-client-java-0.15.0.jar`
+- `target/api-client-java-0.16.0.jar`
 - `target/lib/*.jar`
 
 ## Usage
@@ -104,7 +104,7 @@ To consume published snapshot versions in other projects, add the snapshot repos
 <dependency>
   <groupId>com.vertexvis</groupId>
   <artifactId>api-client-java</artifactId>
-  <version>0.15.0-SNAPSHOT</version>
+  <version>0.16.0-SNAPSHOT</version>
 </dependency>
 ```
 
@@ -119,7 +119,7 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.vertexvis:api-client-java:0.15.0-SNAPSHOT'
+    implementation 'com.vertexvis:api-client-java:0.16.0-SNAPSHOT'
 }
 ```
 
diff --git a/build.gradle b/build.gradle
index 5b79e91..7cc1604 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ plugins {
     id "io.github.gradle-nexus.publish-plugin"
 }
 
-def projectVersion = '0.15.0'
+def projectVersion = '0.16.0'
 def isSnapshot = project.hasProperty('isSnapshot') && project.isSnapshot.toBoolean()
 version = isSnapshot ? "${projectVersion}-SNAPSHOT" : projectVersion
 
diff --git a/examples/src/main/java/com/vertexvis/example/PartCreator.java b/examples/src/main/java/com/vertexvis/example/PartCreator.java
index 2977284..bb0a045 100644
--- a/examples/src/main/java/com/vertexvis/example/PartCreator.java
+++ b/examples/src/main/java/com/vertexvis/example/PartCreator.java
@@ -59,11 +59,11 @@ private static CreatePartRequest getCreatePartRequest(UUID fileId, String partNa
 
     private static CreatePartRequest createPartAssemblyRequest(List<UUID> revisionIds, String assemblyName) {
 
-        PartAssemblyRelationship partAssemblyRelationship = new PartAssemblyRelationship()
-                .data(new PartAssemblyRelationshipData()
-                        .metadata(Collections.emptyMap())
-                        .children(createPartRevisionInstances(revisionIds))
+        CreatePartRequestDataRelationships partAssemblyRelationship = new CreatePartRequestDataRelationships()
+                .instances(new PartInstancesRelationship()
+                        .data(createPartRevisionInstances(revisionIds))
                 );
+
         var uuid = UUID.randomUUID();
         return new CreatePartRequest()
                 .data(
@@ -73,23 +73,20 @@ private static CreatePartRequest createPartAssemblyRequest(List<UUID> revisionId
                                         .suppliedId("my-assembly-" + uuid)
                                         .suppliedRevisionId("my-part-rev-" + uuid)
                                         .name(assemblyName))
-                                .relationships(new CreatePartRequestDataRelationships()
-                                        .source(new CreatePartRequestDataRelationshipsSource(partAssemblyRelationship))
-                                ));
+                                .relationships(partAssemblyRelationship));
     }
 
-    private static List<PartRevisionInstance> createPartRevisionInstances(List<UUID> ids) {
-        int num = ids.size();
-        return IntStream.range(0, num)
-                .mapToObj(ordinal -> new PartRevisionInstance().
-                        ordinal(ordinal)
-                        .revisionId(ids.get(ordinal))
-                        .transform(new Matrix4()
+    private static List<PartInstancesRelationshipData> createPartRevisionInstances(List<UUID> ids) {
+        return  ids.stream().map(id -> new PartInstancesRelationshipData()
+                    .type(PartInstancesRelationshipData.TypeEnum.PART_REVISION_INSTANCE)
+                        .id(id)
+                            .attributes(new PartInstancesRelationshipAttributes().transform(new Matrix4()
                                 .r0(createVector4(BigDecimal.ONE, BigDecimal.ZERO, BigDecimal.ZERO, BigDecimal.ONE))
                                 .r1(createVector4(BigDecimal.ZERO, BigDecimal.ONE, BigDecimal.ZERO, BigDecimal.ONE))
                                 .r2(createVector4(BigDecimal.ZERO, BigDecimal.ZERO, BigDecimal.ONE, BigDecimal.ONE))
                                 .r3(createVector4(BigDecimal.ZERO, BigDecimal.ZERO, BigDecimal.ZERO, BigDecimal.ONE))
                         ))
+                )
                 .collect(Collectors.toList());
     }