diff --git a/COPYRIGHT.md b/COPYRIGHT.md
new file mode 100644
index 00000000..8f1ca877
--- /dev/null
+++ b/COPYRIGHT.md
@@ -0,0 +1 @@
+Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
\ No newline at end of file
diff --git a/README.md b/README.md
index 53f77c5b..de1d2984 100644
--- a/README.md
+++ b/README.md
@@ -428,3 +428,6 @@ VCR is a tool that helps cache and replay http responses. When these responses c
 3. Commit your changes (`git commit -am 'Add some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
 5. Create a new Pull Request
+
+# Copyright
+See [COPYRIGHT.md](./COPYRIGHT.md).
diff --git a/lib/mixlib/install.rb b/lib/mixlib/install.rb
index 53814aad..8b68534f 100644
--- a/lib/mixlib/install.rb
+++ b/lib/mixlib/install.rb
@@ -1,7 +1,7 @@
 #
 # Author:: Thom May (<thom@chef.io>)
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/artifact_info.rb b/lib/mixlib/install/artifact_info.rb
index 80ff4ca1..d4656091 100644
--- a/lib/mixlib/install/artifact_info.rb
+++ b/lib/mixlib/install/artifact_info.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/backend.rb b/lib/mixlib/install/backend.rb
index c6ce74fa..a4213e8b 100644
--- a/lib/mixlib/install/backend.rb
+++ b/lib/mixlib/install/backend.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/backend/base.rb b/lib/mixlib/install/backend/base.rb
index 2b7f5db0..38bed48f 100644
--- a/lib/mixlib/install/backend/base.rb
+++ b/lib/mixlib/install/backend/base.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2016-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/backend/package_router.rb b/lib/mixlib/install/backend/package_router.rb
index 10f07842..2357f5fe 100644
--- a/lib/mixlib/install/backend/package_router.rb
+++ b/lib/mixlib/install/backend/package_router.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/generator.rb b/lib/mixlib/install/generator.rb
index 74ea6748..3f72546f 100644
--- a/lib/mixlib/install/generator.rb
+++ b/lib/mixlib/install/generator.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/generator/base.rb b/lib/mixlib/install/generator/base.rb
index 48d6a761..2fee2242 100644
--- a/lib/mixlib/install/generator/base.rb
+++ b/lib/mixlib/install/generator/base.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/generator/bourne.rb b/lib/mixlib/install/generator/bourne.rb
index 5ea2651d..84d255db 100644
--- a/lib/mixlib/install/generator/bourne.rb
+++ b/lib/mixlib/install/generator/bourne.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/generator/bourne/scripts/helpers.sh.erb b/lib/mixlib/install/generator/bourne/scripts/helpers.sh.erb
index bff267d5..b71a717c 100644
--- a/lib/mixlib/install/generator/bourne/scripts/helpers.sh.erb
+++ b/lib/mixlib/install/generator/bourne/scripts/helpers.sh.erb
@@ -4,7 +4,7 @@
 # - must run on /bin/sh on solaris 9
 # - must run on /bin/sh on AIX 6.x
 #
-# Copyright:: Copyright (c) 2010-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/generator/powershell.rb b/lib/mixlib/install/generator/powershell.rb
index 5db4d52c..487d375b 100644
--- a/lib/mixlib/install/generator/powershell.rb
+++ b/lib/mixlib/install/generator/powershell.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/options.rb b/lib/mixlib/install/options.rb
index 4760065b..a5c30c41 100644
--- a/lib/mixlib/install/options.rb
+++ b/lib/mixlib/install/options.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/product.rb b/lib/mixlib/install/product.rb
index a289caed..24d5b4fc 100644
--- a/lib/mixlib/install/product.rb
+++ b/lib/mixlib/install/product.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/script_generator.rb b/lib/mixlib/install/script_generator.rb
index e6fe31a7..65227592 100644
--- a/lib/mixlib/install/script_generator.rb
+++ b/lib/mixlib/install/script_generator.rb
@@ -1,7 +1,7 @@
 #
 # Author:: Thom May (<thom@chef.io>)
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/lib/mixlib/install/util.rb b/lib/mixlib/install/util.rb
index 1cbdb603..2d063719 100644
--- a/lib/mixlib/install/util.rb
+++ b/lib/mixlib/install/util.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Thom May (<thom@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/functional/mixlib/install/cli_spec.rb b/spec/functional/mixlib/install/cli_spec.rb
index 60acd6de..0bb96190 100644
--- a/spec/functional/mixlib/install/cli_spec.rb
+++ b/spec/functional/mixlib/install/cli_spec.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2016-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/unit/mixlib/install/backend/package_router_spec.rb b/spec/unit/mixlib/install/backend/package_router_spec.rb
index 21f5b055..ee8060b9 100644
--- a/spec/unit/mixlib/install/backend/package_router_spec.rb
+++ b/spec/unit/mixlib/install/backend/package_router_spec.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2016 Chef, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/unit/mixlib/install/backend_spec.rb b/spec/unit/mixlib/install/backend_spec.rb
index 91a2a905..90f294fa 100644
--- a/spec/unit/mixlib/install/backend_spec.rb
+++ b/spec/unit/mixlib/install/backend_spec.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/unit/mixlib/install/generator_spec.rb b/spec/unit/mixlib/install/generator_spec.rb
index aa436a05..fc983a69 100644
--- a/spec/unit/mixlib/install/generator_spec.rb
+++ b/spec/unit/mixlib/install/generator_spec.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/unit/mixlib/install/options_spec.rb b/spec/unit/mixlib/install/options_spec.rb
index 4afea645..458a96f6 100644
--- a/spec/unit/mixlib/install/options_spec.rb
+++ b/spec/unit/mixlib/install/options_spec.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/unit/mixlib/install/product_spec.rb b/spec/unit/mixlib/install/product_spec.rb
index 00c5ecb9..50293bee 100644
--- a/spec/unit/mixlib/install/product_spec.rb
+++ b/spec/unit/mixlib/install/product_spec.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/unit/mixlib/install/script_generator_spec.rb b/spec/unit/mixlib/install/script_generator_spec.rb
index 187368e5..3e82b3fb 100644
--- a/spec/unit/mixlib/install/script_generator_spec.rb
+++ b/spec/unit/mixlib/install/script_generator_spec.rb
@@ -1,7 +1,7 @@
 #
 # Author:: Thom May (<thom@chef.io>)
 # Author:: Patrick Wright (<patrick@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/unit/mixlib/install/util_spec.rb b/spec/unit/mixlib/install/util_spec.rb
index 235359fb..f9a5d22b 100644
--- a/spec/unit/mixlib/install/util_spec.rb
+++ b/spec/unit/mixlib/install/util_spec.rb
@@ -1,6 +1,6 @@
 #
 # Author:: Thom May (<thom@chef.io>)
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/spec/unit/mixlib/install_spec.rb b/spec/unit/mixlib/install_spec.rb
index 94d088b3..9b244648 100644
--- a/spec/unit/mixlib/install_spec.rb
+++ b/spec/unit/mixlib/install_spec.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright (c) 2015-2018 Chef Software, Inc.
+# Copyright:: Copyright (c) 2015-2025 Progress Software Corporation and/or its subsidiaries or affiliates. All Rights Reserved.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");