diff --git a/components/openthread/include/esp_openthread_netif_glue.h b/components/openthread/include/esp_openthread_netif_glue.h
index 3d70c8a7f7..31197195f4 100644
--- a/components/openthread/include/esp_openthread_netif_glue.h
+++ b/components/openthread/include/esp_openthread_netif_glue.h
@@ -76,6 +76,17 @@ esp_netif_t *esp_openthread_get_netif(void);
  */
 void esp_openthread_register_meshcop_e_handler(esp_event_handler_t handler, bool for_publish);
 
+/**
+ * @brief This function judges the target address is openthread mesh local or not.
+ *
+ * @param[in]    address   The address.
+ *
+ * @return
+ *      - True if the address is openthread mesh local, otherwise false
+ *
+ */
+bool is_openthread_internal_mesh_local_addr(const otIp6Address *address);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/components/openthread/lib b/components/openthread/lib
index 25151450b5..8532614fae 160000
--- a/components/openthread/lib
+++ b/components/openthread/lib
@@ -1 +1 @@
-Subproject commit 25151450b5f5168ef86b982981a4b1d40fa8e6f5
+Subproject commit 8532614fae5f7bc011b32d2dec76983bafa4e0c5
diff --git a/components/openthread/private_include/esp_openthread_netif_glue_priv.h b/components/openthread/private_include/esp_openthread_netif_glue_priv.h
index d5a9d1c072..ceebe3db4d 100644
--- a/components/openthread/private_include/esp_openthread_netif_glue_priv.h
+++ b/components/openthread/private_include/esp_openthread_netif_glue_priv.h
@@ -36,17 +36,6 @@ void esp_openthread_netif_glue_update(esp_openthread_mainloop_context_t *mainloo
  */
 esp_err_t esp_openthread_netif_glue_process(otInstance *instance, const esp_openthread_mainloop_context_t *mainloop);
 
-/**
- * @brief This function judges the target address is openthread mesh local or not.
- *
- * @param[in]    address   The address.
- *
- * @return
- *      - True if the address is openthread mesh local, otherwise false
- *
- */
-bool is_openthread_internal_mesh_local_addr(const otIp6Address *address);
-
 #ifdef __cplusplus
 }
 #endif