diff --git a/contrib/examples/example_app/lwipopts.h b/contrib/examples/example_app/lwipopts.h
index 5acbe98a..664027c5 100644
--- a/contrib/examples/example_app/lwipopts.h
+++ b/contrib/examples/example_app/lwipopts.h
@@ -129,7 +129,7 @@ a lot of data that needs to be copied, this should be set high. */
 #define MEMP_NUM_RAW_PCB        3
 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
    per active UDP "connection". */
-#define MEMP_NUM_UDP_PCB        4
+#define MEMP_NUM_UDP_PCB        8
 /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
    connections. */
 #define MEMP_NUM_TCP_PCB        5
@@ -148,7 +148,7 @@ a lot of data that needs to be copied, this should be set high. */
 /* MEMP_NUM_NETBUF: the number of struct netbufs. */
 #define MEMP_NUM_NETBUF         2
 /* MEMP_NUM_NETCONN: the number of struct netconns. */
-#define MEMP_NUM_NETCONN        10
+#define MEMP_NUM_NETCONN        12
 /* MEMP_NUM_TCPIP_MSG_*: the number of struct tcpip_msg, which is used
    for sequential API communication and incoming packets. Used in
    src/api/tcpip.c. */