1 files changed, 1 insertions, 1 deletions
diff --git a/README.md b/README.md
index 117ece3..c8a75df 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ For usage and more detailed information, check out our [documentations][document
 
 ## Copyright
 
-Copyright © 2017-2019 by Shin'ya Ueoka
+Copyright © 2017-2020 by Shin'ya Ueoka
 
 ## Licence