diff --git a/README.md b/README.md
index 4feaa32..4b1c7b2 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 
 
 <div align="right" style="text-align:right"><i>Peter Norvig
-<br><a href="https://github.com/norvig/pytudes/blob/main/LICENSE">MIT License</a><br>2015-2020</i></div>
+<br><a href="https://github.com/norvig/pytudes/blob/main/LICENSE">MIT License</a><br>2015-2021</i></div>
 
 # pytudes