Update NOTICE (#72)

diff --git a/NOTICE b/NOTICE
index 979dc30..b3ddf98 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Apache Otava (incubating)
-Copyright 2020- The Apache Software Foundation.
+Copyright 2020-2025 The Apache Software Foundation.
 
 This product includes software developed at
 The Apache Software Foundation (https://www.apache.org/).