diff --git a/client/src/main/java/simplyrestful/api/framework/client/SimplyRESTfulClient.java b/client/src/main/java/simplyrestful/api/framework/client/SimplyRESTfulClient.java
index f323c9e1..6e4c3bfa 100644
--- a/client/src/main/java/simplyrestful/api/framework/client/SimplyRESTfulClient.java
+++ b/client/src/main/java/simplyrestful/api/framework/client/SimplyRESTfulClient.java
@@ -23,10 +23,11 @@
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider;
 
 import io.openapitools.jackson.dataformat.hal.HALLink;
-import io.openapitools.jackson.dataformat.hal.HALMapper;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.Operation;
 import io.swagger.v3.oas.models.PathItem;
@@ -56,13 +57,15 @@ public class SimplyRESTfulClient<T extends HALResource> {
 	private final String resourceProfile;
 	private final MediaType resourceMediaType;
 	private final Client client;
+	private final ObjectMapper halMapper;
 
-	SimplyRESTfulClient(Client client, URI baseApiUri, Class<T> resourceClass) {
+	SimplyRESTfulClient(Client client, ObjectMapper halMapper, URI baseApiUri, Class<T> resourceClass) {
 		this.baseApiUri = baseApiUri;
 		this.client = client;
 		if (!client.getConfiguration().isRegistered(JacksonJsonProvider.class)) {
-			client.register(new JacksonJsonProvider(new HALMapper()));
+			client.register(new JacksonJsonProvider(halMapper));
 		}
+		this.halMapper = halMapper;
 		this.resourceClass = resourceClass;
 		this.resourceProfile = discoverResourceProfile();
 		this.resourceMediaType = detectResourceMediaType();
@@ -196,7 +199,8 @@ private HALCollection<T> retrievePagedCollection(int page, int pageSize, boolean
 
 	private <S> S deserializeJson(String jsonString, Class<S> deserializationClass) {
 		try {
-			return new HALMapper().readValue(jsonString, deserializationClass);
+			ObjectMapper mapper = halMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
+			return mapper.readValue(jsonString, deserializationClass);
 		} catch (JsonProcessingException e) {
 			throw new RuntimeException(e);
 		}
@@ -204,7 +208,8 @@ private <S> S deserializeJson(String jsonString, Class<S> deserializationClass)
 
 	private <S> S deserializeJsonWithGenerics(String jsonString, TypeReference<S> typeRef) {
 		try {
-			return new HALMapper().readValue(jsonString, typeRef);
+			ObjectMapper mapper = halMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
+			return mapper.readValue(jsonString, typeRef);
 		} catch (JsonProcessingException e) {
 			throw new RuntimeException(e);
 		}
diff --git a/client/src/main/java/simplyrestful/api/framework/client/SimplyRESTfulClientFactory.java b/client/src/main/java/simplyrestful/api/framework/client/SimplyRESTfulClientFactory.java
index 7b4bab3a..e227ad0f 100644
--- a/client/src/main/java/simplyrestful/api/framework/client/SimplyRESTfulClientFactory.java
+++ b/client/src/main/java/simplyrestful/api/framework/client/SimplyRESTfulClientFactory.java
@@ -6,18 +6,28 @@
 import javax.inject.Named;
 import javax.ws.rs.client.Client;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import io.openapitools.jackson.dataformat.hal.HALMapper;
 import simplyrestful.api.framework.resources.HALResource;
 
 @Named
 public class SimplyRESTfulClientFactory<T extends HALResource> {
 	private final Client client;
+	private ObjectMapper halMapper;
 
 	@Inject
 	public SimplyRESTfulClientFactory(Client client) {
 		this.client = client;
+		this.halMapper = new HALMapper();
+	}
+
+	public SimplyRESTfulClientFactory<T> withMapper(ObjectMapper halMapper){
+		this.halMapper = halMapper;
+		return this;
 	}
 
 	public SimplyRESTfulClient<T> newClient(URI baseApiUri, Class<T> resourceClass){
-		return new SimplyRESTfulClient<T>(client, baseApiUri, resourceClass);
+		return new SimplyRESTfulClient<T>(client, halMapper, baseApiUri, resourceClass);
 	}
 }