diff --git a/Rakefile b/Rakefile
index 8b6b436..464e861 100644
--- a/Rakefile
+++ b/Rakefile
@@ -204,11 +204,19 @@ OOCD_TARGET = "stm32f4x"
 # Black Magic Probe port
 BMP_PORT = ENV["BMP_PORT"] || "/dev/ttyACM0"
 
+desc "flash application"
+task :flash => :dfu_application
+
 desc "flash application using USB DFU"
-task :flash => APPLICATION+".bin" do |t|
+task :dfu_application => APPLICATION+".bin" do |t|
   sh "dfu-util --device 1209:4356 --download #{t.source}"
 end
 
+desc "flash application using USB DFU"
+task :dfu_bootloader => BOOTLOADER+".bin" do |t|
+  sh "dfu-util --device 0483:df11 --cfg 1 --intf 0 --alt 0 --dfuse-address 0x08000000 --download #{t.source} --reset"
+end
+
 desc "remove STM32F4 protection using SWD"
 task :remove_protection do
   case SWD_ADAPTER
@@ -220,7 +228,7 @@ task :remove_protection do
 end
 
 desc "flash bootloader using SWD"
-task :flash_bootloader => BOOTLOADER+".hex" do |t|
+task :swd_bootloader => BOOTLOADER+".hex" do |t|
   case SWD_ADAPTER
     when "STLINKV2"
       sh "#{OOCD} --file interface/#{OOCD_INTERFACE}.cfg --command 'transport select hla_swd' --file target/#{OOCD_TARGET}.cfg --command 'init' --command 'halt' --command 'reset init' --command 'flash erase_sector 0 0 last' --command 'flash write_image erase #{t.source}' --command 'reset' --command 'shutdown'"
@@ -229,8 +237,10 @@ task :flash_bootloader => BOOTLOADER+".hex" do |t|
   end
 end
 
+task :swd => :swd_application
+
 desc "flash application using SWD"
-task :flash_application => APPLICATION+".hex" do |t|
+task :swd_application => APPLICATION+".hex" do |t|
   case SWD_ADAPTER
     when "STLINKV2"
       sh "#{OOCD} --file interface/#{OOCD_INTERFACE}.cfg --command 'transport select hla_swd' --file target/#{OOCD_TARGET}.cfg --command 'adapter speed 100' --command 'init' --command 'halt' --command 'reset init' --command 'flash write_image erase #{t.source}' --command 'reset' --command 'shutdown'"