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 7d1a9d1..2cfd0c4 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
@@ -20,7 +20,6 @@
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Maps;
-
 import org.onlab.packet.ChassisId;
 import org.onlab.packet.EthType;
 import org.onlab.packet.Ip4Address;
@@ -214,6 +213,7 @@
 import org.onosproject.store.primitives.TransactionId;
 import org.onosproject.store.service.MapEvent;
 import org.onosproject.store.service.TransactionLog;
+import org.onosproject.store.service.MultimapEvent;
 import org.onosproject.store.service.SetEvent;
 import org.onosproject.store.service.Task;
 import org.onosproject.store.service.Versioned;
@@ -528,6 +528,8 @@
             .register(Versioned.class)
             .register(MapEvent.class)
             .register(MapEvent.Type.class)
+            .register(MultimapEvent.class)
+            .register(MultimapEvent.Type.class)
             .register(SetEvent.class)
             .register(SetEvent.Type.class)
             .register(GroupId.class)