diff --git a/silk/shell/build_nrf52840.sh b/silk/shell/build_nrf52840.sh
index 2201138..f75b5c5 100644
--- a/silk/shell/build_nrf52840.sh
+++ b/silk/shell/build_nrf52840.sh
@@ -47,6 +47,13 @@ else
   CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_TMF_ADDRESS_QUERY_INITIAL_RETRY_DELAY=4"
   CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_TMF_ADDRESS_CACHE_MAX_SNOOP_ENTRIES=2"
   CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_TMF_SNOOP_CACHE_ENTRY_TIMEOUT=10"
+  CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_CHANNEL_MANAGER_MINIMUM_DELAY=2"
+  CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_MLE_MAX_CHILDREN=32"
+  CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_MLE_IP_ADDRS_PER_CHILD=10"
+  CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_IP6_MAX_EXT_UCAST_ADDRS=8"
+  CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_IP6_MAX_EXT_MCAST_ADDRS=4"
+  CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_MAC_FILTER_SIZE=10"
+  CPPFLAGS="${CPPFLAGS} -DOPENTHREAD_CONFIG_IP6_SLAAC_ENABLE=1"
   CPPFLAGS="${CPPFLAGS}" make -f examples/Makefile-nrf52840 \
     BORDER_ROUTER=1 \
     CHILD_SUPERVISION=1 \
@@ -58,6 +65,7 @@ else
     USB=1 \
     CHANNEL_MANAGER=1 \
     CHANNEL_MONITOR=1 \
+    JAM_DETECTION=1 \
     OTNS=1
 
   echo "Completed building, change to output/nrf52840/bin"