diff --git a/src/ncp-uart-hw/config/sl_zigbee_pro_stack_config.h b/src/ncp-uart-hw/config/sl_zigbee_pro_stack_config.h
index b050b467..203542e6 100644
--- a/src/ncp-uart-hw/config/sl_zigbee_pro_stack_config.h
+++ b/src/ncp-uart-hw/config/sl_zigbee_pro_stack_config.h
@@ -65,7 +65,7 @@
 // <o EMBER_APS_UNICAST_MESSAGE_COUNT> APS Unicast Message Queue Size <1-255>
 // <i> Default: 10
 // <i> The maximum number of APS unicast messages that can be queued up by the stack.  A message is considered queued when emberSendUnicast() is called and is de-queued when the emberMessageSentHandler() is called.
-#define EMBER_APS_UNICAST_MESSAGE_COUNT   10
+#define EMBER_APS_UNICAST_MESSAGE_COUNT   32
 
 // <o SL_ZIGBEE_APS_DUPLICATE_REJECTION_MAX_ENTRIES> APS unicast Message Duplicate Rejection table Size <1-255>
 // <i> Default: 5
@@ -76,7 +76,7 @@
 // <o EMBER_BROADCAST_TABLE_SIZE> Broadcast Table Size <15-254>
 // <i> Default: 15
 // <i> The size of the broadcast table.
-#define EMBER_BROADCAST_TABLE_SIZE   15
+#define EMBER_BROADCAST_TABLE_SIZE   64
 
 // <o EMBER_NEIGHBOR_TABLE_SIZE> Neighbor Table Size
 // <i> Neighbor Table Size