diff --git a/drivers/nble/Kconfig b/drivers/nble/Kconfig
index 31e74232973..c9df72492f1 100644
--- a/drivers/nble/Kconfig
+++ b/drivers/nble/Kconfig
@@ -62,6 +62,18 @@ config BLUETOOTH_DEBUG
 	default n
 	select STDOUT_CONSOLE
 
+config  BLUETOOTH_RX_STACK_SIZE
+	int "Size of the receiving fiber stack"
+	default 1024
+	range 1024 65536
+	help
+	  Size of the receiving fiber stack. This is the context from
+	  which all event callbacks to the application occur. The
+	  default value is sufficient for basic operation, but if the
+	  application needs to do advanced things in its callbacks that
+	  require extra stack space, this value can be increased to
+	  accomodate for that.
+
 if BLUETOOTH_DEBUG
 
 config	BLUETOOTH_DEBUG_DRIVER
diff --git a/drivers/nble/uart.c b/drivers/nble/uart.c
index 7c288465c3a..e1973edbdd7 100644
--- a/drivers/nble/uart.c
+++ b/drivers/nble/uart.c
@@ -56,7 +56,7 @@ static NET_BUF_POOL(rx_pool, NBLE_RX_BUF_COUNT, NBLE_BUF_SIZE, &rx, NULL, 0);
 static struct nano_fifo tx;
 static NET_BUF_POOL(tx_pool, NBLE_TX_BUF_COUNT, NBLE_BUF_SIZE, &tx, NULL, 0);
 
-static BT_STACK_NOINIT(rx_fiber_stack, 2048);
+static BT_STACK_NOINIT(rx_fiber_stack, CONFIG_BLUETOOTH_RX_STACK_SIZE);
 
 static struct device *nble_dev;
 
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index fd48449565f..8dcbbcf3616 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -76,6 +76,18 @@ config  BLUETOOTH_MAX_EVT_LEN
 	  Commands. It is a 3 byte Command Complete header + 65 byte
 	  return parameters = 68 bytes in total.
 
+config  BLUETOOTH_RX_STACK_SIZE
+	int "Size of the receiving fiber stack"
+	default 1024
+	range 1024 65536
+	help
+	  Size of the receiving fiber stack. This is the context from
+	  which all event callbacks to the application occur. The
+	  default value is sufficient for basic operation, but if the
+	  application needs to do advanced things in its callbacks that
+	  require extra stack space, this value can be increased to
+	  accomodate for that.
+
 config	BLUETOOTH_PERIPHERAL
 	bool "Peripheral Role support"
 	default n
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 1072fa9a65c..3062e78073f 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -56,7 +56,7 @@
 #endif
 
 /* Stacks for the fibers */
-static BT_STACK_NOINIT(rx_fiber_stack, 1024);
+static BT_STACK_NOINIT(rx_fiber_stack, CONFIG_BLUETOOTH_RX_STACK_SIZE);
 static BT_STACK_NOINIT(rx_prio_fiber_stack, 256);
 static BT_STACK_NOINIT(cmd_tx_fiber_stack, 256);