diff --git a/port/zephyr/btstack_config.h b/port/zephyr/btstack_config.h
index 075bfb6fd..219e4146e 100644
--- a/port/zephyr/btstack_config.h
+++ b/port/zephyr/btstack_config.h
@@ -14,6 +14,9 @@
 #define ENABLE_LE_CENTRAL
 #define ENABLE_L2CAP_LE_CREDIT_BASED_FLOW_CONTROL_MODE
 #define ENABLE_LE_DATA_LENGTH_EXTENSION
+#define ENABLE_LE_EXTENDED_ADVERTISING
+#define ENABLE_LE_ISOCHRONOUS_STREAMS
+#define ENABLE_LE_PERIODIC_ADVERTISING
 #define ENABLE_LE_PERIPHERAL
 #define ENABLE_LOG_ERROR
 #define ENABLE_LOG_INFO
@@ -27,6 +30,7 @@
 #define MAX_NR_L2CAP_SERVICES 1
 #define MAX_NR_SM_LOOKUP_ENTRIES 3
 #define MAX_NR_WHITELIST_ENTRIES 1
+#define MAX_NR_HCI_ISO_STREAMS 10
 
 #define MAX_NR_BNEP_CHANNELS 0
 #define MAX_NR_BNEP_SERVICES 0
diff --git a/port/zephyr/prj.conf b/port/zephyr/prj.conf
index 832253c21..dba43b835 100644
--- a/port/zephyr/prj.conf
+++ b/port/zephyr/prj.conf
@@ -26,6 +26,7 @@ CONFIG_SIZE_OPTIMIZATIONS=y
 CONFIG_ARM_MPU=n
 
 CONFIG_BT=y
+CONFIG_BT_ISO_BROADCASTER=y
 CONFIG_BT_HCI_RAW=y
 CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_CMD_TX_SIZE=255