diff --git a/LICENSE b/LICENSE
index 6aa2fc91..98f8d7cb 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2005-2025 Fredrik Johansson and mpmath contributors
+Copyright (c) 2005-2026 Fredrik Johansson and mpmath contributors
 
 All rights reserved.
 
diff --git a/docs/conf.py b/docs/conf.py
index 96b53473..3d613508 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -22,7 +22,7 @@ nitpicky = True
 
 # Project information.
 project = mpmath.__name__
-copyright = '2007-2025, Fredrik Johansson and mpmath developers'
+copyright = '2007-2027, Fredrik Johansson and mpmath developers'
 release = version = mpmath.__version__
 
 # Define how the current time is formatted using time.strftime().