diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 66bb2cb..11cd2ae 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -26,7 +26,7 @@ jobs:
           - "system"
          # see supported python release schedule at https://devguide.python.org/versions/
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: getargv/getargv
         path: getargv
@@ -34,7 +34,7 @@ jobs:
     - name: Build libgetargv
       run: make install_dylib
       working-directory: getargv
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         path: getargv.py
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/LICENSE.txt b/LICENSE.txt
index fbce797..53fdf14 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,7 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2023
-Camden Narzt <getargv@narzt.cam>. All rights reserved.
+Copyright (c) 2023, 2024 Camden Narzt <getargv@narzt.cam>. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met: