diff --git a/test/mesh/mesh_access.c b/test/mesh/mesh_access.c
index fee1bbdd2..8d51e389c 100644
--- a/test/mesh/mesh_access.c
+++ b/test/mesh/mesh_access.c
@@ -55,6 +55,7 @@ static void mesh_access_message_process_handler(mesh_pdu_t * pdu);
 static void mesh_access_secure_network_beacon_handler(uint8_t packet_type, uint16_t channel, uint8_t * packet, uint16_t size);
 static void mesh_access_upper_transport_handler(mesh_transport_callback_type_t callback_type, mesh_transport_status_t status, mesh_pdu_t * pdu);
 static const mesh_operation_t * mesh_model_lookup_operation_by_opcode(mesh_model_t * model, uint32_t opcode);
+static void mesh_persist_iv_index_and_sequence_number(void);
 
 static uint16_t primary_element_address;
 
@@ -93,6 +94,9 @@ void mesh_access_init(void){
 
     // register for secure network beacons
     beacon_register_for_secure_network_beacons(&mesh_access_secure_network_beacon_handler);
+
+    // register for seq number updates
+    mesh_sequence_number_set_update_callback(&mesh_persist_iv_index_and_sequence_number);
 }
 
 void mesh_access_emit_state_update_bool(btstack_packet_handler_t * event_handler, uint8_t element_index, uint32_t model_identifier, 
@@ -1412,7 +1416,7 @@ void mesh_restore_iv_index_and_sequence_number(void){
 }
 
 // higher layer
-void mesh_persist_iv_index_and_sequence_number(void){
+static void mesh_persist_iv_index_and_sequence_number(void){
 }
 
 
diff --git a/test/mesh/mesh_access.h b/test/mesh/mesh_access.h
index c4f27ed24..f5be057ef 100644
--- a/test/mesh/mesh_access.h
+++ b/test/mesh/mesh_access.h
@@ -445,7 +445,6 @@ int mesh_model_contains_appkey(mesh_model_t * mesh_model, uint16_t appkey_index)
 
 // Mesh IV Index and sequence number
 void mesh_store_iv_index_and_sequence_number(void);
-void mesh_persist_iv_index_and_sequence_number(void);
 void mesh_restore_iv_index_and_sequence_number(void);
 
 // Mesh Access Parser
diff --git a/test/mesh/mesh_iv_index_seq_number.c b/test/mesh/mesh_iv_index_seq_number.c
index 265ad67a5..be62d0a7b 100644
--- a/test/mesh/mesh_iv_index_seq_number.c
+++ b/test/mesh/mesh_iv_index_seq_number.c
@@ -97,12 +97,26 @@ void mesh_iv_index_recovered(uint8_t iv_update_active, uint32_t iv_index){
     global_iv_update_active = iv_update_active;
 }
 
+//
+
+static void (*seq_num_callback)(void);
+
+void mesh_sequence_number_set_update_callback(void (*callback)(void)){
+	seq_num_callback = callback;
+}
+
 void mesh_sequence_number_set(uint32_t seq){
     sequence_number_current = seq;
 }
 
 uint32_t mesh_sequence_number_next(void){
-    return sequence_number_current++;
+	uint32_t seq_number = sequence_number_current++;
+
+	if (seq_num_callback){
+		(*seq_num_callback)();
+	}
+
+    return seq_number;
 }
 
 uint32_t mesh_sequence_number_peek(void){
diff --git a/test/mesh/mesh_iv_index_seq_number.h b/test/mesh/mesh_iv_index_seq_number.h
index e75b8435d..f346c5e10 100644
--- a/test/mesh/mesh_iv_index_seq_number.h
+++ b/test/mesh/mesh_iv_index_seq_number.h
@@ -78,6 +78,11 @@ void mesh_iv_update_completed(void);
  */
 void mesh_iv_index_recovered(uint8_t iv_update_active, uint32_t iv_index);
 
+/**
+ * @brief Set callback for sequence number update
+ */
+void mesh_sequence_number_set_update_callback(void (*callback)(void));
+
 /**
  * Sequence Number
  */