diff --git a/Marlin/src/feature/power_monitor.cpp b/Marlin/src/feature/power_monitor.cpp
index 956135d26e9024bf0bfb000255a0afc8980e4bf5..bf5ac748a86e4e67e5dd8d2ae3f46bd58a70c777 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 8dd79da6d2d53d1fde5325251e50de378de08a0d..ca52ed74c6bce3f9a0673ca358cc3b69cffc99fd 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 08e2d96cc001779cfccbf33f3647d2300864904e..a669f0a76b427d514d93c612702fd4433c2f7a94 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 1627e7c80b329eddd7ba33bd1a24eb0bd7063f8d..bacf7f379f306715e17364523e064c95f7b02de1 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