diff --git a/lib/sbi/message.c b/lib/sbi/message.c
index e67c8c94f..ec80b132c 100644
--- a/lib/sbi/message.c
+++ b/lib/sbi/message.c
@@ -173,6 +173,8 @@ void ogs_sbi_message_free(ogs_sbi_message_t *message)
         OpenAPI_sm_policy_notification_free(message->SmPolicyNotification);
     if (message->TerminationNotification)
         OpenAPI_termination_notification_free(message->TerminationNotification);
+    if (message->DeregistrationData)
+        OpenAPI_deregistration_data_free(message->DeregistrationData);
 
     for (i = 0; i < message->num_of_part; i++) {
         if (message->part[i].pkbuf)
@@ -888,6 +890,10 @@ static char *build_json(ogs_sbi_message_t *message)
         item = OpenAPI_termination_notification_convertToJSON(
                 message->TerminationNotification);
         ogs_assert(item);
+    } else if (message->DeregistrationData) {
+        item = OpenAPI_deregistration_data_convertToJSON(
+                message->DeregistrationData);
+        ogs_assert(item);
     }
 
     if (item) {
@@ -1726,6 +1732,15 @@ static int parse_json(ogs_sbi_message_t *message,
                 }
                 break;
 
+            CASE(OGS_SBI_RESOURCE_NAME_DEREG_NOTIFY)
+                message->DeregistrationData =
+                    OpenAPI_deregistration_data_parseFromJSON(item);
+                if (!message->DeregistrationData) {
+                    rv = OGS_ERROR;
+                    ogs_error("JSON parse error");
+                }
+                break;
+
             DEFAULT
                 rv = OGS_ERROR;
                 ogs_error("Unknown resource name [%s]",
diff --git a/lib/sbi/message.h b/lib/sbi/message.h
index ee3b7eaf6..164325c49 100644
--- a/lib/sbi/message.h
+++ b/lib/sbi/message.h
@@ -408,6 +408,7 @@ typedef struct ogs_sbi_message_s {
         *AppSessionContextUpdateDataPatch;
     OpenAPI_sm_policy_notification_t *SmPolicyNotification;
     OpenAPI_termination_notification_t *TerminationNotification;
+    OpenAPI_deregistration_data_t *DeregistrationData;
 
     ogs_sbi_links_t *links;
 
diff --git a/lib/sbi/ogs-sbi.h b/lib/sbi/ogs-sbi.h
index c0400a30e..d1d62c0d0 100644
--- a/lib/sbi/ogs-sbi.h
+++ b/lib/sbi/ogs-sbi.h
@@ -73,6 +73,7 @@
 #include "model/policy_update.h"
 #include "model/sm_policy_notification.h"
 #include "model/termination_notification.h"
+#include "model/deregistration_data.h"
 
 #include "custom/links.h"
 #include "custom/ue_authentication_ctx.h"