diff --git a/boards.txt b/boards.txt
index 66c58d94a..9da92680c 100644
--- a/boards.txt
+++ b/boards.txt
@@ -1610,7 +1610,7 @@ muxto.bootloader.file=zero/binaries/sam_ba_arduino_MuxTO_SAMD11D14AM.bin
 muxto.menu.bootloader.4kb=4KB_BOOTLOADER
 muxto.menu.bootloader.4kb.build.bootloader_size=__4KB_BOOTLOADER__
 muxto.menu.bootloader.4kb.build.ldscript_path=linker_scripts/gcc/4KB_Bootloader
-muxto.menu.bootloader.4kb.upload.tool=MattairTech_Arduino:bossac
+muxto.menu.bootloader.4kb.upload.tool=Fab_SAM_Arduino:bossac
 muxto.menu.bootloader.4kb.upload.use_1200bps_touch=true
 muxto.menu.bootloader.4kb.upload.wait_for_upload_port=true
 muxto.menu.bootloader.4kb.upload.native_usb=true
diff --git a/platform.txt b/platform.txt
index d130c57f2..5c9d5820a 100644
--- a/platform.txt
+++ b/platform.txt
@@ -137,7 +137,7 @@ tools.avrdude_remote.upload.pattern="openocd --version 2>&1 | grep 2016 && if op
 #
 # BOSSA
 #
-tools.bossac.path={runtime.tools.bossac-1.7.0-mattairtech-3.path}
+tools.bossac.path={runtime.tools.bossac-1.9.0.path}
 tools.bossac.cmd=bossac
 tools.bossac.cmd.windows=bossac.exe