diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 1e0220a..0f008ea 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -1329,9 +1329,17 @@
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
     uint8_t MBEDTLS_PRIVATE(disable_renegotiation); /*!< disable renegotiation?     */
 #endif
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    uint8_t MBEDTLS_PRIVATE(session_tickets);   /*!< use session tickets?           */
+#if defined(MBEDTLS_SSL_SESSION_TICKETS) && \
+    defined(MBEDTLS_SSL_CLI_C)
+    uint8_t MBEDTLS_PRIVATE(session_tickets);   /*!< use session tickets? */
 #endif
+
+#if defined(MBEDTLS_SSL_SESSION_TICKETS) && \
+    defined(MBEDTLS_SSL_SRV_C) && \
+    defined(MBEDTLS_SSL_PROTO_TLS1_3)
+    uint16_t MBEDTLS_PRIVATE(new_session_tickets);   /*!< number of NewSessionTicket */
+#endif
+
 #if defined(MBEDTLS_SSL_SRV_C)
     uint8_t MBEDTLS_PRIVATE(cert_req_ca_list);  /*!< enable sending CA list in
                                                      Certificate Request messages? */
@@ -4109,7 +4117,8 @@
 void mbedtls_ssl_conf_preference_order( mbedtls_ssl_config *conf, int order );
 #endif /* MBEDTLS_SSL_SRV_C */
 
-#if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
+#if defined(MBEDTLS_SSL_SESSION_TICKETS) && \
+    defined(MBEDTLS_SSL_CLI_C)
 /**
  * \brief          Enable / Disable session tickets (client only).
  *                 (Default: MBEDTLS_SSL_SESSION_TICKETS_ENABLED.)
@@ -4121,7 +4130,26 @@
  *                                         MBEDTLS_SSL_SESSION_TICKETS_DISABLED)
  */
 void mbedtls_ssl_conf_session_tickets( mbedtls_ssl_config *conf, int use_tickets );
-#endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
+#endif /* MBEDTLS_SSL_SESSION_TICKETS &&
+          MBEDTLS_SSL_CLI_C */
+
+#if defined(MBEDTLS_SSL_SESSION_TICKETS) && \
+    defined(MBEDTLS_SSL_SRV_C) && \
+    defined(MBEDTLS_SSL_PROTO_TLS1_3)
+/**
+ * \brief          Number of NewSessionTicket message that sent by server.
+ *                 (Default: MBEDTLS_SSL_TLS1_3_DEFAULT_NEW_SESSION_TICKETS)
+ *
+ *
+ * \param conf     SSL configuration
+ * \param num_tickets   Number of NewSessionTicket.
+ *
+ */
+void mbedtls_ssl_conf_new_session_tickets( mbedtls_ssl_config *conf,
+                                           uint16_t num_tickets );
+#endif /* MBEDTLS_SSL_SESSION_TICKETS &&
+          MBEDTLS_SSL_SRV_C &&
+          MBEDTLS_SSL_PROTO_TLS1_3*/
 
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
 /**