diff --git a/lua.h b/lua.h
index bd2631e5..0ae9e7c9 100644
--- a/lua.h
+++ b/lua.h
@@ -25,7 +25,7 @@
 
 #define LUA_VERSION	"Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
 #define LUA_RELEASE	LUA_VERSION "." LUA_VERSION_RELEASE
-#define LUA_COPYRIGHT	LUA_RELEASE "  Copyright (C) 1994-2019 Lua.org, PUC-Rio"
+#define LUA_COPYRIGHT	LUA_RELEASE "  Copyright (C) 1994-2020 Lua.org, PUC-Rio"
 #define LUA_AUTHORS	"R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
 
 
@@ -489,7 +489,7 @@ struct lua_Debug {
 
 
 /******************************************************************************
-* Copyright (C) 1994-2019 Lua.org, PUC-Rio.
+* Copyright (C) 1994-2020 Lua.org, PUC-Rio.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
diff --git a/manual/2html b/manual/2html
index a300f8d4..ea3957b9 100755
--- a/manual/2html
+++ b/manual/2html
@@ -30,7 +30,7 @@ by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, Waldemar Celes
 <p>
 <small>
 <a href="http://www.lua.org/copyright.html">Copyright</a>
-&copy; 2019 Lua.org, PUC-Rio.  All rights reserved.
+&copy; 2020 Lua.org, PUC-Rio.  All rights reserved.
 </small>
 <hr>