diff --git a/README.md b/README.md
index bfdf0777dd..1112f5a345 100644
--- a/README.md
+++ b/README.md
@@ -217,4 +217,4 @@ http://opensource.org/licenses/mit-license.php and also in the
 [COPYING](https://github.com/typelevel/cats/blob/main/COPYING) file. The design is informed by many other
 projects, in particular [Scalaz](https://github.com/scalaz/scalaz).
 
-Copyright the maintainers, 2015-2023.
+Copyright the maintainers, 2015-2024.
diff --git a/docs/index.md b/docs/index.md
index 990c82b39c..8cbf838018 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -201,6 +201,6 @@ http://opensource.org/licenses/mit-license.php and also in the
 [COPYING](https://github.com/typelevel/cats/blob/main/COPYING) file. The design is informed by many other
 projects, in particular [Scalaz](https://github.com/scalaz/scalaz).
 
-Copyright the maintainers, 2015-2023.
+Copyright the maintainers, 2015-2024.
 
 [Adopters page]: ADOPTERS.md
\ No newline at end of file