diff --git a/CHANGELOG.md b/CHANGELOG.md
index fdd32e42..c26a19e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ Any violations of this scheme are considered to be bugs.
 * [#521](https://github.com/hashie/hashie/pull/499): Do not convert keys that cannot be represented as symbols to `String` in `Mash` initialization - [@carolineartz](https://github.com/carolineartz).
 * [#524](https://github.com/hashie/hashie/pull/524): Test with Ruby 2.7 - [@aried3r](https://github.com/aried3r).
 * [#525](https://github.com/hashie/hashie/pull/525): Use `indifferent_writer` in `IndifferentAccess#convert!` - [@yogeshjain999](https://github.com/yogeshjain999).
+* [#527](https://github.com/hashie/hashie/pull/527): Updated Copyright to (c) 2009-2020 Intridea, Inc., and Contributors - [@dblock](https://github.com/dblock).
 * Your contribution here.
 
 ### Deprecated
diff --git a/LICENSE b/LICENSE
index 2db77ec4..3bedaa12 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2009 Intridea, Inc., and Contributors
+Copyright (c) 2009-2020 Intridea, Inc., and Contributors.
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/README.md b/README.md
index 51a17d3b..4280e7b5 100644
--- a/README.md
+++ b/README.md
@@ -1065,6 +1065,6 @@ See [CONTRIBUTING.md](CONTRIBUTING.md)
 
 ## Copyright
 
-Copyright (c) 2009-2014 Intridea, Inc. (http://intridea.com/) and [contributors](https://github.com/hashie/hashie/graphs/contributors).
+Copyright (c) 2009-2020 [Intridea, Inc.](http://intridea.com), and [contributors](https://github.com/hashie/hashie/graphs/contributors).
 
 MIT License. See [LICENSE](LICENSE) for details.