diff --git a/Projects/MDK-ARM/atk_f103.uvprojx b/Projects/MDK-ARM/atk_f103.uvprojx
index 4ca9004..539b19b 100644
--- a/Projects/MDK-ARM/atk_f103.uvprojx
+++ b/Projects/MDK-ARM/atk_f103.uvprojx
@@ -16,8 +16,8 @@
         <TargetCommonOption>
           <Device>STM32F103ZE</Device>
           <Vendor>STMicroelectronics</Vendor>
-          <PackID>Keil.STM32F1xx_DFP.2.3.0</PackID>
-          <PackURL>http://www.keil.com/pack/</PackURL>
+          <PackID>Keil.STM32F1xx_DFP.2.4.1</PackID>
+          <PackURL>https://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x00010000) IROM(0x08000000,0x00080000) CPUTYPE("Cortex-M3") CLOCK(12000000) ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
           <StartupFile></StartupFile>