diff --git a/Marlin/src/feature/power_monitor.cpp b/Marlin/src/feature/power_monitor.cpp
index 956135d26..bf5ac748a 100644
--- a/Marlin/src/feature/power_monitor.cpp
+++ b/Marlin/src/feature/power_monitor.cpp
@@ -1,6 +1,6 @@
 /**
  * Marlin 3D Printer Firmware
- * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (C) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
diff --git a/Marlin/src/feature/power_monitor.h b/Marlin/src/feature/power_monitor.h
index 8dd79da6d..ca52ed74c 100644
--- a/Marlin/src/feature/power_monitor.h
+++ b/Marlin/src/feature/power_monitor.h
@@ -1,6 +1,6 @@
 /**
  * Marlin 3D Printer Firmware
- * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (C) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
diff --git a/Marlin/src/gcode/feature/power_monitor/M430.cpp b/Marlin/src/gcode/feature/power_monitor/M430.cpp
index 08e2d96cc..a669f0a76 100644
--- a/Marlin/src/gcode/feature/power_monitor/M430.cpp
+++ b/Marlin/src/gcode/feature/power_monitor/M430.cpp
@@ -1,6 +1,6 @@
 /**
  * Marlin 3D Printer Firmware
- * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (C) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
diff --git a/Marlin/src/lcd/menu/menu_power_monitor.cpp b/Marlin/src/lcd/menu/menu_power_monitor.cpp
index 1627e7c80..bacf7f379 100644
--- a/Marlin/src/lcd/menu/menu_power_monitor.cpp
+++ b/Marlin/src/lcd/menu/menu_power_monitor.cpp
@@ -1,6 +1,6 @@
 /**
  * Marlin 3D Printer Firmware
- * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (C) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm