diff --git a/extmod/btstack/btstack.mk b/extmod/btstack/btstack.mk
index e3309b61db..17bbb16f88 100644
--- a/extmod/btstack/btstack.mk
+++ b/extmod/btstack/btstack.mk
@@ -11,6 +11,8 @@ EXTMOD_SRC_C += extmod/btstack/modbluetooth_btstack.c
 INC += -I$(TOP)/$(BTSTACK_EXTMOD_DIR)
 
 CFLAGS_MOD += -DMICROPY_BLUETOOTH_BTSTACK=1
+CFLAGS_MOD += -DMICROPY_PY_BLUETOOTH_USE_SYNC_EVENTS=1
+CFLAGS_MOD += -DMICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING=1
 
 BTSTACK_DIR = $(TOP)/lib/btstack