diff --git a/attrib/gatt.c b/attrib/gatt.c
index 28654af..0b69daf 100644
--- a/attrib/gatt.c
+++ b/attrib/gatt.c
@@ -534,6 +534,19 @@
 							user_data, NULL);
 }
 
+guint gatt_exchange_mtu(GAttrib *attrib, uint16_t mtu, GAttribResultFunc func,
+							gpointer user_data)
+{
+	uint8_t *buf;
+	int buflen;
+	guint16 plen;
+
+	buf = g_attrib_get_buffer(attrib, &buflen);
+	plen = enc_mtu_req(mtu, buf, buflen);
+	return g_attrib_send(attrib, 0, ATT_OP_MTU_REQ, buf, plen, func,
+							user_data, NULL);
+}
+
 guint gatt_find_info(GAttrib *attrib, uint16_t start, uint16_t end,
 				GAttribResultFunc func, gpointer user_data)
 {
diff --git a/attrib/gatt.h b/attrib/gatt.h
index c6d3843..221d94d 100644
--- a/attrib/gatt.h
+++ b/attrib/gatt.h
@@ -48,3 +48,6 @@
 guint gatt_read_char_by_uuid(GAttrib *attrib, uint16_t start, uint16_t end,
 				bt_uuid_t *uuid, GAttribResultFunc func,
 				gpointer user_data);
+
+guint gatt_exchange_mtu(GAttrib *attrib, uint16_t mtu, GAttribResultFunc func,
+							gpointer user_data);