diff --git a/drivers/bluetooth/hci/spi.c b/drivers/bluetooth/hci/spi.c
index d7b5e8ea1b0..5983e58dff9 100644
--- a/drivers/bluetooth/hci/spi.c
+++ b/drivers/bluetooth/hci/spi.c
@@ -77,7 +77,7 @@ static K_SEM_DEFINE(sem_initialised, 0, 1);
 static K_SEM_DEFINE(sem_request, 0, 1);
 static K_SEM_DEFINE(sem_busy, 1, 1);
 
-static K_KERNEL_STACK_DEFINE(spi_rx_stack, 256);
+static K_KERNEL_STACK_DEFINE(spi_rx_stack, 512);
 static struct k_thread spi_rx_thread_data;
 
 #if defined(CONFIG_BT_DEBUG_HCI_DRIVER)