diff --git a/mbed_app.json b/mbed_app.json
index e25a88d..02a2766 100644
--- a/mbed_app.json
+++ b/mbed_app.json
@@ -3,7 +3,9 @@
     "*": {
       "platform.stdio-baud-rate": 115200,
       "rtos.main-thread-stack-size": 8192,
-      "lwip.pbuf-pool-size": 20
+      "lwip.pbuf-pool-size": 20,
+      "lwip.socket-max": 8,
+      "lwip.udp-socket-max": 8
     },
     "K64F": {
       "platform.stdio-baud-rate": 9600