diff --git a/exampleSite/config.yaml b/exampleSite/config.yaml
index 6b5e2eb..8aa0771 100644
--- a/exampleSite/config.yaml
+++ b/exampleSite/config.yaml
@@ -30,7 +30,7 @@ menu:
 
 params:
   description: "A website built through Hugo and blogdown."
-  footer: "© [Yihui Xie](https://yihui.org) 2017 -- 2020 | [Github](https://github.com/yihui) | [Twitter](https://twitter.com/xieyihui)"
+  footer: "© [Yihui Xie](https://yihui.org) 2017 -- 2021 | [Github](https://github.com/yihui) | [Twitter](https://twitter.com/xieyihui)"
 
 markup:
   goldmark: