diff --git a/components/bt/controller/esp32c2/bt.c b/components/bt/controller/esp32c2/bt.c
index 45d0628dcb..6b0d593fd8 100644
--- a/components/bt/controller/esp32c2/bt.c
+++ b/components/bt/controller/esp32c2/bt.c
@@ -424,7 +424,7 @@ static int ble_hci_unregistered_hook(void*, void*)
 
 static int esp_intr_alloc_wrapper(int source, int flags, intr_handler_t handler, void *arg, void **ret_handle_in)
 {
-    int rc = esp_intr_alloc(source, flags | ESP_INTR_FLAG_IRAM, handler, arg, (intr_handle_t *)ret_handle_in);
+    int rc = esp_intr_alloc(source, ESP_INTR_FLAG_LEVEL3 | ESP_INTR_FLAG_IRAM, handler, arg, (intr_handle_t *)ret_handle_in);
     return rc;
 }
 
diff --git a/components/bt/controller/lib_esp32c2/esp32c2-bt-lib b/components/bt/controller/lib_esp32c2/esp32c2-bt-lib
index 5fcfd0e457..d17188c9f6 160000
--- a/components/bt/controller/lib_esp32c2/esp32c2-bt-lib
+++ b/components/bt/controller/lib_esp32c2/esp32c2-bt-lib
@@ -1 +1 @@
-Subproject commit 5fcfd0e457a76ebb234086ccd6dc391690d69e90
+Subproject commit d17188c9f61400792a8248bf53378ee92e6f21a4