diff --git a/README.md b/README.md
index 2cfd01ee..b9b88125 100644
--- a/README.md
+++ b/README.md
@@ -51,4 +51,4 @@ Poly is a Go package for engineering organisms.
 
 * [MIT](LICENSE)
 
-* Copyright (c) 2022 Timothy Stiles
+* Copyright (c) 2023 Timothy Stiles