diff --git a/mergekit/architecture.py b/mergekit/architecture.py
index 08b66466..6e8492e8 100644
--- a/mergekit/architecture.py
+++ b/mergekit/architecture.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/common.py b/mergekit/common.py
index 908914d8..1bc3e713 100644
--- a/mergekit/common.py
+++ b/mergekit/common.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/config.py b/mergekit/config.py
index 66bf5f18..6391a5e1 100644
--- a/mergekit/config.py
+++ b/mergekit/config.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/graph.py b/mergekit/graph.py
index 8e702660..4a055a14 100644
--- a/mergekit/graph.py
+++ b/mergekit/graph.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/io/__init__.py b/mergekit/io/__init__.py
index 7277c603..bc9b2f0a 100644
--- a/mergekit/io/__init__.py
+++ b/mergekit/io/__init__.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/io/lazy_tensor_loader.py b/mergekit/io/lazy_tensor_loader.py
index 94931a08..8b945685 100644
--- a/mergekit/io/lazy_tensor_loader.py
+++ b/mergekit/io/lazy_tensor_loader.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/io/lazy_unpickle.py b/mergekit/io/lazy_unpickle.py
index 51c8f53b..a7b0905d 100644
--- a/mergekit/io/lazy_unpickle.py
+++ b/mergekit/io/lazy_unpickle.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/io/loader.py b/mergekit/io/loader.py
index d31b6a01..0f990166 100644
--- a/mergekit/io/loader.py
+++ b/mergekit/io/loader.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/io/tensor_writer.py b/mergekit/io/tensor_writer.py
index 9c346963..97a238da 100644
--- a/mergekit/io/tensor_writer.py
+++ b/mergekit/io/tensor_writer.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/merge.py b/mergekit/merge.py
index 3aaddcb6..09e5d744 100644
--- a/mergekit/merge.py
+++ b/mergekit/merge.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/merge_methods/__init__.py b/mergekit/merge_methods/__init__.py
index 8c47fcc2..b8df1b4c 100644
--- a/mergekit/merge_methods/__init__.py
+++ b/mergekit/merge_methods/__init__.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/merge_methods/base.py b/mergekit/merge_methods/base.py
index 549ca3d1..4a8bae18 100644
--- a/mergekit/merge_methods/base.py
+++ b/mergekit/merge_methods/base.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/merge_methods/generalized_task_arithmetic.py b/mergekit/merge_methods/generalized_task_arithmetic.py
index 77f66c56..ebaeee2b 100644
--- a/mergekit/merge_methods/generalized_task_arithmetic.py
+++ b/mergekit/merge_methods/generalized_task_arithmetic.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/merge_methods/linear.py b/mergekit/merge_methods/linear.py
index 7e268b06..4cc0660a 100644
--- a/mergekit/merge_methods/linear.py
+++ b/mergekit/merge_methods/linear.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/merge_methods/passthrough.py b/mergekit/merge_methods/passthrough.py
index d42a6b86..b5da48aa 100644
--- a/mergekit/merge_methods/passthrough.py
+++ b/mergekit/merge_methods/passthrough.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/merge_methods/slerp.py b/mergekit/merge_methods/slerp.py
index 46ff009e..1d72f4f2 100644
--- a/mergekit/merge_methods/slerp.py
+++ b/mergekit/merge_methods/slerp.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/merge_methods/tokenizer_permute.py b/mergekit/merge_methods/tokenizer_permute.py
index 81a1e477..ce154ed4 100644
--- a/mergekit/merge_methods/tokenizer_permute.py
+++ b/mergekit/merge_methods/tokenizer_permute.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/plan.py b/mergekit/plan.py
index c337b58a..2c26d2f8 100644
--- a/mergekit/plan.py
+++ b/mergekit/plan.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/scripts/bakllama.py b/mergekit/scripts/bakllama.py
index 140c023d..3e7ef8ac 100644
--- a/mergekit/scripts/bakllama.py
+++ b/mergekit/scripts/bakllama.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/scripts/layershuffle.py b/mergekit/scripts/layershuffle.py
index c0e48fd6..02fbb460 100644
--- a/mergekit/scripts/layershuffle.py
+++ b/mergekit/scripts/layershuffle.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/scripts/legacy.py b/mergekit/scripts/legacy.py
index ec988a57..aec35152 100644
--- a/mergekit/scripts/legacy.py
+++ b/mergekit/scripts/legacy.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/scripts/run_yaml.py b/mergekit/scripts/run_yaml.py
index aabf5892..f4586d72 100644
--- a/mergekit/scripts/run_yaml.py
+++ b/mergekit/scripts/run_yaml.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2023 Charles O. Goddard
+# Copyright (C) 2024 Charles O. Goddard
 #
 # This software is free software: you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public License as
diff --git a/mergekit/sparsify.py b/mergekit/sparsify.py
index fa5cc192..df05d912 100644
--- a/mergekit/sparsify.py
+++ b/mergekit/sparsify.py
@@ -1,3 +1,18 @@
+# Copyright (C) 2024 Charles O. Goddard
+#
+# This software is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This software 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program. If not, see http://www.gnu.org/licenses/.
+
 from enum import Enum
 
 import torch
diff --git a/mergekit/tokenizer.py b/mergekit/tokenizer.py
index 32e4f870..44e60a49 100644
--- a/mergekit/tokenizer.py
+++ b/mergekit/tokenizer.py
@@ -1,3 +1,18 @@
+# Copyright (C) 2024 Charles O. Goddard
+#
+# This software is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This software 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program. If not, see http://www.gnu.org/licenses/.
+
 import logging
 from typing import Dict, Optional, Tuple