diff --git a/panda/board/obj/gitversion.h b/panda/board/obj/gitversion.h
index cc5a10c04..bff2c4a8b 100644
--- a/panda/board/obj/gitversion.h
+++ b/panda/board/obj/gitversion.h
@@ -1,2 +1,2 @@
 extern const uint8_t gitversion[19];
-const uint8_t gitversion[19] = "DEV-51b00e51-DEBUG";
+const uint8_t gitversion[19] = "DEV-542603ec-DEBUG";
diff --git a/panda/board/obj/version b/panda/board/obj/version
index 9f0b6cc4e..7a6b359e6 100644
--- a/panda/board/obj/version
+++ b/panda/board/obj/version
@@ -1 +1 @@
-DEV-51b00e51-DEBUG
\ No newline at end of file
+DEV-542603ec-DEBUG
\ No newline at end of file
diff --git a/panda/python/usb.py b/panda/python/usb.py
index 0a012896b..dbcb09a7f 100644
--- a/panda/python/usb.py
+++ b/panda/python/usb.py
@@ -91,8 +91,7 @@ class STBootloaderUSBHandle(BaseSTBootloaderHandle):
   def jump(self, address):
     self._libusb_handle.controlWrite(0x21, self.DFU_DNLOAD, 0, 0, b"\x21" + struct.pack("I", address))
     self._status()
-    try:
-      self._libusb_handle.controlWrite(0x21, self.DFU_DNLOAD, 2, 0, b"")
-      _ = str(self._libusb_handle.controlRead(0x21, self.DFU_GETSTATUS, 0, 0, 6))
-    except Exception:
-      pass
+    # NOTE: no trailing GETSTATUS after the Go. The read would block for the
+    # 15s timeout and then hit the freshly booted app over USB without claiming
+    # the interface, which disconnects it.
+    self._libusb_handle.controlWrite(0x21, self.DFU_DNLOAD, 2, 0, b"")