diff --git a/udev/99-usb-trim.rules b/udev/99-usb-trim.rules
new file mode 100644
index 0000000..89b54b9
--- /dev/null
+++ b/udev/99-usb-trim.rules
@@ -0,0 +1 @@
+ACTION=="add|change", ATTRS{idVendor}=="2109", ATTRS{idProduct}=="0715", SUBSYSTEM=="scsi_disk", ATTR{provisioning_mode}="unmap"