diff --git a/applications/connectivity_bridge/boards/thingy91_nrf52840.conf b/applications/connectivity_bridge/boards/thingy91_nrf52840.conf
index 14db61ae52ea..4efb654d4314 100644
--- a/applications/connectivity_bridge/boards/thingy91_nrf52840.conf
+++ b/applications/connectivity_bridge/boards/thingy91_nrf52840.conf
@@ -28,3 +28,14 @@ CONFIG_USB_DEVICE_PRODUCT="Thingy:91 UART"
 
 CONFIG_USB_DEVICE_VID=0x1915
 CONFIG_USB_DEVICE_PID=0x9100
+
+CONFIG_USB_MAX_NUM_TRANSFERS=8
+CONFIG_BRIDGE_CMSIS_DAP_BULK_ENABLE=y
+
+CONFIG_DAP=y
+CONFIG_DP_DRIVER=y
+
+CONFIG_CMSIS_DAP_DEVICE_VENDOR="Nordic Semiconductor ASA"
+CONFIG_CMSIS_DAP_DEVICE_NAME="nrf91"
+
+CONFIG_USB_CDC_ACM_RINGBUF_SIZE=15360
diff --git a/applications/connectivity_bridge/boards/thingy91_nrf52840_readme.txt b/applications/connectivity_bridge/boards/thingy91_nrf52840_readme.txt
index d2c11ca05be0..3fc3347fada8 100644
--- a/applications/connectivity_bridge/boards/thingy91_nrf52840_readme.txt
+++ b/applications/connectivity_bridge/boards/thingy91_nrf52840_readme.txt
@@ -8,6 +8,7 @@ https://nordicsemi.com/thingy91
 This USB interface has the following functions:
 * Disk drive containing this file and others
 * COM ports for nRF91 debug, trace, and firmware update
+* CMSIS-DAP 2.1 compliant debug probe interface for accessing the nRF91 SiP
 
 COM Ports
 ====================
diff --git a/applications/connectivity_bridge/src/modules/CMakeLists.txt b/applications/connectivity_bridge/src/modules/CMakeLists.txt
index 6a9e15dff7a0..57aaad52adf6 100644
--- a/applications/connectivity_bridge/src/modules/CMakeLists.txt
+++ b/applications/connectivity_bridge/src/modules/CMakeLists.txt
@@ -20,6 +20,7 @@ target_sources_ifdef(CONFIG_BRIDGE_MSC_ENABLE
 		     app PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/fs_handler.c)
 
 target_sources_ifdef(CONFIG_BRIDGE_CMSIS_DAP_BULK_ENABLE
-		     app PRIVATE
-		     ${CMAKE_CURRENT_SOURCE_DIR}/usb_bulk_commands.c
-		     ${CMAKE_CURRENT_SOURCE_DIR}/usb_bulk_interface.c)
+		     app PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/usb_bulk_interface.c)
+
+target_sources_ifdef(CONFIG_BOARD_THINGY91X_NRF5340_CPUAPP
+			app PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/usb_bulk_commands.c)
diff --git a/applications/connectivity_bridge/src/modules/usb_bulk_interface.c b/applications/connectivity_bridge/src/modules/usb_bulk_interface.c
index ac86c946c3b8..f389ab322c1b 100644
--- a/applications/connectivity_bridge/src/modules/usb_bulk_interface.c
+++ b/applications/connectivity_bridge/src/modules/usb_bulk_interface.c
@@ -12,6 +12,7 @@
 #include <zephyr/usb/msos_desc.h>
 #include <zephyr/net_buf.h>
 #include <usb_descriptor.h>
+#include <cmsis_dap.h>
 
 #define MODULE bulk_interface
 #include "module_state_event.h"
@@ -173,8 +174,11 @@ static int dap_usb_process(void)
 	static uint8_t tx_buf[USB_BULK_PACKET_SIZE];
 	struct net_buf *buf = k_fifo_get(&dap_rx_queue, K_FOREVER);
 	uint8_t ep = dapusb_config.endpoint[DAP_USB_EP_IN_IDX].ep_addr;
-
+#if defined(CONFIG_BOARD_THINGY91X)
 	len = dap_execute_vendor_cmd(buf->data, tx_buf);
+#else
+	len = dap_execute_cmd(buf->data, tx_buf);
+#endif /* defined(CONFIG_BOARD_THINGY91X) */
 	LOG_DBG("response length %u, starting with [0x%02X, 0x%02X]", len, tx_buf[0], tx_buf[1]);
 	net_buf_unref(buf);