diff --git a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
index 10cd72f..67d9df1 100644
--- a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
+++ b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
@@ -195,6 +195,9 @@
 import org.onosproject.net.packet.DefaultPacketRequest;
 import org.onosproject.net.packet.PacketPriority;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.net.region.DefaultRegion;
+import org.onosproject.net.region.Region;
+import org.onosproject.net.region.RegionId;
 import org.onosproject.net.resource.ContinuousResource;
 import org.onosproject.net.resource.ContinuousResourceId;
 import org.onosproject.net.resource.DiscreteResource;
@@ -504,6 +507,10 @@
             .register(new AnnotationsSerializer(), DefaultAnnotations.class)
             .register(new ExtensionInstructionSerializer(), Instructions.ExtensionInstructionWrapper.class)
             .register(new ExtensionCriterionSerializer(), ExtensionCriterion.class)
+            .register(Region.class)
+            .register(Region.Type.class)
+            .register(RegionId.class)
+            .register(DefaultRegion.class)
             .register(ExtensionSelectorType.class)
             .register(ExtensionTreatmentType.class)
             .register(TransactionId.class)