diff --git a/LICENSE b/LICENSE
index 168f03a..b60d4d9 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2014 - 2018, Přemysl Eric Janouch <p@janouch.name>
+Copyright (c) 2014 - 2020, Přemysl Eric Janouch <p@janouch.name>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted.
diff --git a/liberty.c b/liberty.c
index 6f44df0..8fc4cb0 100644
--- a/liberty.c
+++ b/liberty.c
@@ -1,7 +1,7 @@
 /*
  * liberty.c: the ultimate C unlibrary
  *
- * Copyright (c) 2014 - 2018, Přemysl Eric Janouch <p@janouch.name>
+ * Copyright (c) 2014 - 2020, Přemysl Eric Janouch <p@janouch.name>
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted.