diff --git a/README.md b/README.md
index 372fb26255..09b9800e11 100644
--- a/README.md
+++ b/README.md
@@ -308,4 +308,4 @@ http://opensource.org/licenses/mit-license.php and also in the
 [COPYING](COPYING) file. The design is informed by many other
 projects, in particular [Scalaz](https://github.com/scalaz/scalaz).
 
-Copyright the maintainers, 2015-2018.
+Copyright the maintainers, 2015-2019.