diff --git a/components/tinyusb_dfu/CMakeLists.txt b/components/tinyusb_dfu/CMakeLists.txt
index 6f4ad66..35fde67 100644
--- a/components/tinyusb_dfu/CMakeLists.txt
+++ b/components/tinyusb_dfu/CMakeLists.txt
@@ -49,6 +49,7 @@ if(CONFIG_TINYUSB_DFU)
         "${tusb_idf}/tinyusb/src/class/midi/midi_device.c"
         "${tusb_idf}/tinyusb/src/class/msc/msc_device.c"
         "${tusb_idf}/tinyusb/src/class/vendor/vendor_device.c"
+        "${tusb_idf}/tinyusb/src/class/dfu/dfu_rt_device.c"
         "${tusb_idf}/tinyusb/src/common/tusb_fifo.c"
         "${tusb_idf}/tinyusb/src/device/usbd_control.c"
         "${tusb_idf}/tinyusb/src/device/usbd.c"
diff --git a/components/tinyusb_dfu/additions/include/tinyusb_types.h b/components/tinyusb_dfu/additions/include/tinyusb_types.h
index 0f226f3..1b3eb66 100644
--- a/components/tinyusb_dfu/additions/include/tinyusb_types.h
+++ b/components/tinyusb_dfu/additions/include/tinyusb_types.h
@@ -19,7 +19,7 @@ extern "C" {
 #endif
 
 #define USB_ESPRESSIF_VID 0x303A
-#define USB_STRING_DESCRIPTOR_ARRAY_SIZE 7
+#define USB_STRING_DESCRIPTOR_ARRAY_SIZE 8
 
 typedef enum{
     TINYUSB_USBDEV_0,
diff --git a/components/tinyusb_dfu/additions/include/tusb_config.h b/components/tinyusb_dfu/additions/include/tusb_config.h
index 943aad6..0aa0c3a 100644
--- a/components/tinyusb_dfu/additions/include/tusb_config.h
+++ b/components/tinyusb_dfu/additions/include/tusb_config.h
@@ -91,6 +91,7 @@ extern "C" {
 #define CFG_TUD_HID                 CONFIG_TINYUSB_DFU_HID_ENABLED
 #define CFG_TUD_MIDI                CONFIG_TINYUSB_DFU_MIDI_ENABLED
 #define CFG_TUD_CUSTOM_CLASS        CONFIG_TINYUSB_DFU_CUSTOM_CLASS_ENABLED
+#define CFG_TUD_DFU_RUNTIME         1
 
 #ifdef __cplusplus
 }
diff --git a/components/tinyusb_dfu/additions/include_private/descriptors_control.h b/components/tinyusb_dfu/additions/include_private/descriptors_control.h
index 461ffa8..abdc794 100644
--- a/components/tinyusb_dfu/additions/include_private/descriptors_control.h
+++ b/components/tinyusb_dfu/additions/include_private/descriptors_control.h
@@ -52,12 +52,13 @@ enum {
     ITF_NUM_HID,
 #   endif
 
+    ITF_NUM_DFU_RT,
     ITF_NUM_TOTAL
 };
 
 enum {
     TUSB_DESC_TOTAL_LEN = TUD_CONFIG_DESC_LEN + CFG_TUD_CDC * TUD_CDC_DESC_LEN + CFG_TUD_MSC * TUD_MSC_DESC_LEN +
-                       CFG_TUD_HID * TUD_HID_DESC_LEN
+                       CFG_TUD_HID * TUD_HID_DESC_LEN + TUD_DFU_RT_DESC_LEN
 };
 
 bool tusb_desc_set;
diff --git a/components/tinyusb_dfu/additions/src/descriptors_control.c b/components/tinyusb_dfu/additions/src/descriptors_control.c
index d7fbf0b..ebbc6bc 100644
--- a/components/tinyusb_dfu/additions/src/descriptors_control.c
+++ b/components/tinyusb_dfu/additions/src/descriptors_control.c
@@ -14,6 +14,7 @@
 
 #include "esp_log.h"
 #include "descriptors_control.h"
+#include "class/dfu/dfu_rt_device.h"
 
 static const char *TAG = "tusb_desc";
 static tusb_desc_device_t s_descriptor;
@@ -41,8 +42,11 @@ uint8_t const desc_configuration[] = {
 #   endif
 #   if CFG_TUD_HID
     // Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval
-    TUD_HID_DESCRIPTOR(ITF_NUM_HID, 6, HID_PROTOCOL_NONE, sizeof(desc_hid_report), 0x84, 16, 10)
+    TUD_HID_DESCRIPTOR(ITF_NUM_HID, 6, HID_PROTOCOL_NONE, sizeof(desc_hid_report), 0x84, 16, 10),
 #   endif
+
+    // Interface number, string index, attributes, detach timeout, transfer size */
+    TUD_DFU_RT_DESCRIPTOR(ITF_NUM_DFU_RT, 7, 0x0d, 1000, 4096),
 };
 
 // =============================================================================
diff --git a/components/tinyusb_dfu/additions/src/usb_descriptors.c b/components/tinyusb_dfu/additions/src/usb_descriptors.c
index 31f0fc5..0dde6dc 100644
--- a/components/tinyusb_dfu/additions/src/usb_descriptors.c
+++ b/components/tinyusb_dfu/additions/src/usb_descriptors.c
@@ -56,7 +56,8 @@ tusb_desc_strarray_device_t descriptor_str_tinyusb = {
     "123456",             // 3: Serials, should use chip ID
     "TinyUSB CDC",        // 4: CDC Interface
     "TinyUSB MSC",        // 5: MSC Interface
-    "TinyUSB HID"         // 6: HID
+    "TinyUSB HID",        // 6: HID
+    "TinyUSB DFU RT"      // 7: DFU RT
 };
 /* End of TinyUSB default */
 
@@ -121,10 +122,10 @@ tusb_desc_strarray_device_t descriptor_str_kconfig = {
 #endif
 
 #if CONFIG_TINYUSB_DFU_HID_ENABLED
-    CONFIG_TINYUSB_DFU_DESC_HID_STRING           // 6: HIDs
+    CONFIG_TINYUSB_DFU_DESC_HID_STRING,           // 6: HIDs
 #else
     "",
 #endif
-
+    "DFU (runtime mode)"                          // 7: DFU RT
 };
 /* End of Kconfig driven Descriptor */