diff --git a/component/common/api/network/include/lwipopts.h b/component/common/api/network/include/lwipopts.h
index 5f369c99..aa481d96 100644
--- a/component/common/api/network/include/lwipopts.h
+++ b/component/common/api/network/include/lwipopts.h
@@ -464,7 +464,7 @@ CONFIG_EXAMPLE_COAP_SERVER and CONFIG_EXAMPLE_COAP_CLIENT is defined in platform
 #undef PBUF_POOL_SIZE
 #define PBUF_POOL_SIZE          40
 #undef PBUF_POOL_BUFSIZE
-#define PBUF_POOL_BUFSIZE       1300
+#define PBUF_POOL_BUFSIZE       1500
 #undef MEMP_NUM_UDP_PCB
 #define MEMP_NUM_UDP_PCB        10
 #undef MEMP_NUM_MLD6_GROUP