Update copyright dates

1 files changed, 1 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index cbfc74f..ab885fc 100644
--- a/eval.c
+++ b/eval.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * bfs                                                                      *
- * Copyright (C) 2015-2019 Tavian Barnes <tavianator@tavianator.com>        *
+ * Copyright (C) 2015-2020 Tavian Barnes <tavianator@tavianator.com>        *
  *                                                                          *
  * Permission to use, copy, modify, and/or distribute this software for any *
  * purpose with or without fee is hereby granted.                           *