diff --git a/bucket.lua b/bucket.lua
index c6c4dfa..d43bc32 100644
--- a/bucket.lua
+++ b/bucket.lua
@@ -1,3 +1,18 @@
+-- Copyright (C) 2025  snoutie
+-- Authors: snoutie (copyright@achtarmig.org)
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU Affero General Public License as published
+-- by the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Affero General Public License for more details.
+
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 local internal_bucket  = {}
 
 local wear_levels      = {}
diff --git a/game/default.lua b/game/default.lua
index 1cdb1ff..2eafd0e 100644
--- a/game/default.lua
+++ b/game/default.lua
@@ -1,3 +1,18 @@
+-- Copyright (C) 2025  snoutie
+-- Authors: snoutie (copyright@achtarmig.org)
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU Affero General Public License as published
+-- by the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Affero General Public License for more details.
+
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 local modpath = core.get_modpath(core.get_current_modname())
 local internal_bucket = dofile(modpath .. "/bucket.lua")
 
diff --git a/game/voxelibre.lua b/game/voxelibre.lua
index 9f3963a..90f344d 100644
--- a/game/voxelibre.lua
+++ b/game/voxelibre.lua
@@ -1,3 +1,18 @@
+-- Copyright (C) 2025  snoutie
+-- Authors: snoutie (copyright@achtarmig.org)
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU Affero General Public License as published
+-- by the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Affero General Public License for more details.
+
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 local modpath = core.get_modpath(core.get_current_modname())
 local internal_bucket = dofile(modpath .. "/bucket.lua")