diff --git a/README.md b/README.md
index e5bcacda..aebddd0c 100755
--- a/README.md
+++ b/README.md
@@ -241,4 +241,4 @@ With the introduction of projects like Numba, Python gained new ways to provide
 
 Cite our code:
 
-`makepath/xarray-spatial, https://github.com/makepath/xarray-spatial, ©2020-2021.`
+`makepath/xarray-spatial, https://github.com/makepath/xarray-spatial, ©2020-2022.`