diff --git a/bsp/gd32/libraries/GD32F20x_Firmware_Library/SConscript b/bsp/gd32/libraries/GD32F20x_Firmware_Library/SConscript
index 90cca69a13..e6b05ca3c9 100644
--- a/bsp/gd32/libraries/GD32F20x_Firmware_Library/SConscript
+++ b/bsp/gd32/libraries/GD32F20x_Firmware_Library/SConscript
@@ -37,6 +37,7 @@ if GetDepend(['RT_USING_DAC']):
 
 if GetDepend(['RT_USING_RTC']):
     src += ['GD32F20x_standard_peripheral/Source/gd32f20x_rtc.c']
+    src += ['GD32F20x_standard_peripheral/Source/gd32f20x_pmu.c']
 
 if GetDepend(['RT_USING_WDT']):
     src += ['GD32F20x_standard_peripheral/Source/gd32f20x_wwdgt.c']
diff --git a/bsp/gd32/libraries/GD32F30x_Firmware_Library/SConscript b/bsp/gd32/libraries/GD32F30x_Firmware_Library/SConscript
index 09f70ea989..5341d8bc52 100644
--- a/bsp/gd32/libraries/GD32F30x_Firmware_Library/SConscript
+++ b/bsp/gd32/libraries/GD32F30x_Firmware_Library/SConscript
@@ -37,6 +37,7 @@ if GetDepend(['RT_USING_DAC']):
 
 if GetDepend(['RT_USING_RTC']):
     src += ['GD32F30x_standard_peripheral/Source/gd32f30x_rtc.c']
+    src += ['GD32F30x_standard_peripheral/Source/gd32f30x_pmu.c']
 
 if GetDepend(['RT_USING_WDT']):
     src += ['GD32F30x_standard_peripheral/Source/gd32f30x_wwdgt.c']
diff --git a/bsp/gd32/libraries/GD32F4xx_Firmware_Library/SConscript b/bsp/gd32/libraries/GD32F4xx_Firmware_Library/SConscript
index 5f87f85bdd..1963d0e1db 100644
--- a/bsp/gd32/libraries/GD32F4xx_Firmware_Library/SConscript
+++ b/bsp/gd32/libraries/GD32F4xx_Firmware_Library/SConscript
@@ -38,6 +38,7 @@ if GetDepend(['RT_USING_DAC']):
 
 if GetDepend(['RT_USING_RTC']):
     src += ['GD32F4xx_standard_peripheral/Source/gd32f4xx_rtc.c']
+    src += ['GD32F4xx_standard_peripheral/Source/gd32f4xx_pmu.c']
 
 if GetDepend(['RT_USING_WDT']):
     src += ['GD32F4xx_standard_peripheral/Source/gd32f4xx_wwdgt.c']