diff --git a/pom.xml b/pom.xml
index f740142f..af7b6069 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,7 +76,7 @@
 		<logback.version>1.2.3</logback.version>
 		<jacoco>0.8.6</jacoco>
 		<jacoco.destfile>${project.build.directory}/jacoco.exec</jacoco.destfile>
-		<jackson-bom.version>2.11.2</jackson-bom.version>
+		<jackson-bom.version>2.12.2</jackson-bom.version>
 		<java-module-name>spring.hateoas</java-module-name>
 		<jsonpath.version>2.5.0</jsonpath.version>
 		<junit.version>5.7.1</junit.version>
diff --git a/src/test/java/org/springframework/hateoas/server/core/TypeReferencesIntegrationTest.java b/src/test/java/org/springframework/hateoas/server/core/TypeReferencesIntegrationTest.java
index 3039eb00..2ce62215 100755
--- a/src/test/java/org/springframework/hateoas/server/core/TypeReferencesIntegrationTest.java
+++ b/src/test/java/org/springframework/hateoas/server/core/TypeReferencesIntegrationTest.java
@@ -58,12 +58,15 @@ class TypeReferencesIntegrationTest {
 
 	private static final String COLLECTION_JSON_USER = "{ \"name\" : \"firstname\", \"value\" : \"Dave\" }, { \"name\" : \"lastname\", \"value\" : \"Matthews\" }";
 
-	private static final String RESOURCE_HAL = String.format("{ \"_links\" : { \"self\" : \"/resource\" }, %s }",
+	private static final String RESOURCE_HAL = String.format(
+			"{ \"_links\" : { \"self\" : { \"href\" : \"/resource\" } }, %s }",
 			HAL_USER);
 	private static final String RESOURCES_OF_USER_HAL = String
-			.format("{ \"_links\" : { \"self\" : \"/resources\" }, \"_embedded\" : { \"users\" : [ { %s } ] }}", HAL_USER);
+			.format("{ \"_links\" : { \"self\" : { \"href\" : \"/resource\" } }, \"_embedded\" : { \"users\" : [ { %s } ] }}",
+					HAL_USER);
 	private static final String RESOURCES_OF_RESOURCE_HAL = String
-			.format("{ \"_links\" : { \"self\" : \"/resources\" }, \"_embedded\" : { \"users\" : [ %s ] }}", RESOURCE_HAL);
+			.format("{ \"_links\" : { \"self\" : { \"href\" : \"/resource\" } }, \"_embedded\" : { \"users\" : [ %s ] }}",
+					RESOURCE_HAL);
 
 	private static final String RESOURCE_COLLECTION_JSON = String.format(
 			"{ \"collection\": { \"version\": \"1.0\", \"href\": \"localhost\", \"links\": [{ \"rel\": \"self\", \"href\": \"localhost\" }], \"items\": [{\"href\": \"localhost\", \"data\": [%s]}]}}",