diff --git a/linux-udev/99-stm-bootloader.rules b/linux-udev/99-stm-bootloader.rules
new file mode 100644
index 0000000..b87133f
--- /dev/null
+++ b/linux-udev/99-stm-bootloader.rules
@@ -0,0 +1 @@
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="df11", GROUP="uucp", MODE="0660"