diff --git a/README.md b/README.md
index 7e9f921c..1197631f 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,6 @@ See [CONTRIBUTING](CONTRIBUTING.md) for details.
 
 ### License
 
-Copyright © 2016-2017, Office for National Statistics (https://www.ons.gov.uk)
+Copyright © 2016-2021, Office for National Statistics (https://www.ons.gov.uk)
 
 Released under MIT license, see [LICENSE](LICENSE.md) for details.