diff --git a/samples/net/paho_mqtt_clients/publisher/src/mqtt_pack.c b/samples/net/paho_mqtt_clients/publisher/src/mqtt_pack.c
index df302fad372..dc73977cc00 100644
--- a/samples/net/paho_mqtt_clients/publisher/src/mqtt_pack.c
+++ b/samples/net/paho_mqtt_clients/publisher/src/mqtt_pack.c
@@ -25,6 +25,10 @@
 #include <errno.h>
 #include <string.h>
 
+/* From MQTTConnectClient.c */
+extern int MQTTSerialize_zero(unsigned char *buf, int buflen,
+			      unsigned char packettype);
+
 static void str_to_buf(struct app_buf_t *buf, char *str);
 
 int mqtt_msg_topic(struct mqtt_msg_t *msg, char *str)
@@ -103,6 +107,24 @@ int mqtt_pack_subscribe(struct app_buf_t *buf, int dup, uint16_t pkt_id,
 	return 0;
 }
 
+int mqtt_pack_unsubscribe(struct app_buf_t *buf, int dup, uint16_t pkt_id,
+			  char *topic)
+{
+	MQTTString topic_str = MQTTString_initializer;
+	int rc;
+
+	topic_str.cstring = topic;
+	rc = MQTTSerialize_unsubscribe(buf->buf, buf->size, dup, pkt_id, 1,
+				       &topic_str);
+	if (rc <= 0) {
+		return -EINVAL;
+	}
+
+	buf->length = rc;
+
+	return 0;
+}
+
 int mqtt_unpack_suback(struct app_buf_t *buf, uint16_t *pkt_id,
 			 int *granted_qos)
 {
@@ -119,6 +141,19 @@ int mqtt_unpack_suback(struct app_buf_t *buf, uint16_t *pkt_id,
 	return 0;
 }
 
+int mqtt_unpack_unsuback(struct app_buf_t *buf, uint16_t *pkt_id)
+{
+	int rc;
+
+	rc = MQTTDeserialize_unsuback(pkt_id, buf->buf, buf->length);
+
+	if (rc != 1) {
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int paho_mqtt_ctx(MQTTPacket_connectData *paho,
 			 struct mqtt_client_ctx_t *mqtt_ctx)
 {
@@ -279,6 +314,20 @@ int mqtt_pack_pingreq(struct app_buf_t *buf)
 	return 0;
 }
 
+int mqtt_pack_pingresp(struct app_buf_t *buf)
+{
+	int rc;
+
+	rc =  MQTTSerialize_zero(buf->buf, buf->size, MQTT_PINGRESP);
+	if (rc <= 0) {
+		return -EINVAL;
+	}
+
+	buf->length = rc;
+
+	return 0;
+}
+
 static void str_to_buf(struct app_buf_t *buf, char *str)
 {
 	buf->buf = str;
diff --git a/samples/net/paho_mqtt_clients/publisher/src/mqtt_pack.h b/samples/net/paho_mqtt_clients/publisher/src/mqtt_pack.h
index f2fe191fe4c..acd8139952e 100644
--- a/samples/net/paho_mqtt_clients/publisher/src/mqtt_pack.h
+++ b/samples/net/paho_mqtt_clients/publisher/src/mqtt_pack.h
@@ -176,6 +176,19 @@ int mqtt_pack_msg(struct app_buf_t *buf, enum mqtt_packet type, uint16_t pkt_id,
 int mqtt_pack_subscribe(struct app_buf_t *buf, int dup, uint16_t pkt_id,
 		       char *topic, enum mqtt_qos qos);
 
+/**
+ * @brief mqtt_pack_unsubscribe
+				Packs a UNSUBSCRIBE message
+ * @param buf			Buffer where the message is stored
+ * @param dup			DUP flag
+ * @param pkt_id		Packet Identifier
+ * @param topic			Topic to unsubscribe from
+ * @return			0 on success
+ *				-EINVAL on error
+ */
+int mqtt_pack_unsubscribe(struct app_buf_t *buf, int dup, uint16_t pkt_id,
+			  char *topic);
+
 /**
  * @brief mqtt_unpack_suback	Unpacks a SUBACK message
  * @param buf			Buffer where the message is stored
@@ -187,6 +200,16 @@ int mqtt_pack_subscribe(struct app_buf_t *buf, int dup, uint16_t pkt_id,
 int mqtt_unpack_suback(struct app_buf_t *buf, uint16_t *pkt_id,
 		       int *granted_qos);
 
+
+/**
+ * @brief mqtt_unpack_unsuback	Unpacks a UNSUBACK message
+ * @param buf			Buffer where the message is stored
+ * @param pkt_id		Packet Identifier
+ * @return			0 on success
+ *				-EINVAL on error
+ */
+int mqtt_unpack_unsuback(struct app_buf_t *buf, uint16_t *pkt_id);
+
 /**
  * @brief mqtt_pack_connect	Packs a CONNECT message
  * @param buf			Buffer where the message is stored
@@ -264,4 +287,13 @@ int mqtt_pack_pubrel(struct app_buf_t *buf, int dup, uint16_t pkt_id);
  */
 int mqtt_pack_pingreq(struct app_buf_t *buf);
 
+
+/**
+ * @brief mqtt_pack_pingresp	Packs a PINGRESP message
+ * @param buf			Buffer where the message is stored
+ * @return			0 on success
+ *				-EINVAL on error
+ */
+int mqtt_pack_pingresp(struct app_buf_t *buf);
+
 #endif