diff --git a/build/windows/dist/drivers/arduino.cat b/build/windows/dist/drivers/arduino.cat
index 2e4d355cc..e01012ebe 100644
Binary files a/build/windows/dist/drivers/arduino.cat and b/build/windows/dist/drivers/arduino.cat differ
diff --git a/build/windows/dist/drivers/arduino.inf b/build/windows/dist/drivers/arduino.inf
index 91a20247b..761743dff 100644
--- a/build/windows/dist/drivers/arduino.inf
+++ b/build/windows/dist/drivers/arduino.inf
@@ -69,7 +69,7 @@ Signature="$Windows NT$"
 Provider=%ManufacturerName%
 DriverPackageDisplayName=%DriverPackageDisplayName%
 CatalogFile=arduino.cat
-DriverVer=06/09/2015,1.2.0.0
+DriverVer=06/11/2015,1.2.1.0
 
 [Manufacturer]
 %ManufacturerName%=DeviceList, NTamd64, NTia64
@@ -105,7 +105,7 @@ DefaultDestDir=12
 %yun.sketch.name%=DriverInstall, USB\VID_2341&PID_8041&MI_00
 %zero.edbg.name%=DriverInstall, USB\VID_03EB&PID_2157&MI_01
 %zero.sketch.name%=DriverInstall, USB\VID_2341&PID_804D&MI_00
-%zero.bootloader.name%=DriverInstall, USB\VID_2341&PID_004D&MI_00
+%zero.bootloader.name%=DriverInstall, USB\VID_2341&PID_004D
 
 [DeviceList.NTamd64]
 %bossa.name%=DriverInstall, USB\VID_03EB&PID_6124
@@ -134,7 +134,7 @@ DefaultDestDir=12
 %yun.sketch.name%=DriverInstall, USB\VID_2341&PID_8041&MI_00
 %zero.edbg.name%=DriverInstall, USB\VID_03EB&PID_2157&MI_01
 %zero.sketch.name%=DriverInstall, USB\VID_2341&PID_804D&MI_00
-%zero.bootloader.name%=DriverInstall, USB\VID_2341&PID_004D&MI_00
+%zero.bootloader.name%=DriverInstall, USB\VID_2341&PID_004D
 
 [DeviceList.NTia64]
 %bossa.name%=DriverInstall, USB\VID_03EB&PID_6124
@@ -163,7 +163,7 @@ DefaultDestDir=12
 %yun.sketch.name%=DriverInstall, USB\VID_2341&PID_8041&MI_00
 %zero.edbg.name%=DriverInstall, USB\VID_03EB&PID_2157&MI_01
 %zero.sketch.name%=DriverInstall, USB\VID_2341&PID_804D&MI_00
-%zero.bootloader.name%=DriverInstall, USB\VID_2341&PID_004D&MI_00
+%zero.bootloader.name%=DriverInstall, USB\VID_2341&PID_004D
 
 [DriverInstall]
 include=mdmcpq.inf,usb.inf