diff --git a/src/main/java/org/springframework/hateoas/hal/LinkMixin.java b/src/main/java/org/springframework/hateoas/hal/LinkMixin.java
index 53f796eb9..8968479b3 100644
--- a/src/main/java/org/springframework/hateoas/hal/LinkMixin.java
+++ b/src/main/java/org/springframework/hateoas/hal/LinkMixin.java
@@ -30,7 +30,7 @@
  * @author Oliver Gierke
  */
 @JsonIgnoreProperties(value = "rel")
-abstract class LinkMixin extends Link {
+public abstract class LinkMixin extends Link {
 
 	private static final long serialVersionUID = 4720588561299667409L;
 
diff --git a/src/main/java/org/springframework/hateoas/hal/ResourceSupportMixin.java b/src/main/java/org/springframework/hateoas/hal/ResourceSupportMixin.java
index 70a19114e..3f684b2f1 100644
--- a/src/main/java/org/springframework/hateoas/hal/ResourceSupportMixin.java
+++ b/src/main/java/org/springframework/hateoas/hal/ResourceSupportMixin.java
@@ -28,7 +28,7 @@
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 
-abstract class ResourceSupportMixin extends ResourceSupport {
+public abstract class ResourceSupportMixin extends ResourceSupport {
 
 	@Override
 	@XmlElement(name = "link")