diff --git a/libraries/MTP40C/.github/workflows/arduino-lint.yml b/libraries/MTP40C/.github/workflows/arduino-lint.yml
index b2ca058c..8a26f14a 100644
--- a/libraries/MTP40C/.github/workflows/arduino-lint.yml
+++ b/libraries/MTP40C/.github/workflows/arduino-lint.yml
@@ -6,7 +6,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: arduino/arduino-lint-action@v1
         with:
           library-manager: update
diff --git a/libraries/MTP40C/.github/workflows/arduino_test_runner.yml b/libraries/MTP40C/.github/workflows/arduino_test_runner.yml
index 096b975b..fadfa904 100644
--- a/libraries/MTP40C/.github/workflows/arduino_test_runner.yml
+++ b/libraries/MTP40C/.github/workflows/arduino_test_runner.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6
diff --git a/libraries/MTP40C/.github/workflows/jsoncheck.yml b/libraries/MTP40C/.github/workflows/jsoncheck.yml
index 04603d08..37a11298 100644
--- a/libraries/MTP40C/.github/workflows/jsoncheck.yml
+++ b/libraries/MTP40C/.github/workflows/jsoncheck.yml
@@ -10,7 +10,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: json-syntax-check
         uses: limitusus/json-syntax-check@v1
         with:
diff --git a/libraries/MTP40C/LICENSE b/libraries/MTP40C/LICENSE
index 5777550e..088bbaf1 100644
--- a/libraries/MTP40C/LICENSE
+++ b/libraries/MTP40C/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021-2022 Rob Tillaart
+Copyright (c) 2021-2023 Rob Tillaart
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal