diff --git a/clu/__init__.py b/clu/__init__.py
index 5ec1547..1d01a23 100644
--- a/clu/__init__.py
+++ b/clu/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/asynclib.py b/clu/asynclib.py
index e63fa8f..d85d970 100644
--- a/clu/asynclib.py
+++ b/clu/asynclib.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/asynclib_test.py b/clu/asynclib_test.py
index ce36c5c..8e18ac4 100644
--- a/clu/asynclib_test.py
+++ b/clu/asynclib_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/checkpoint.py b/clu/checkpoint.py
index 9b086b6..0439df1 100644
--- a/clu/checkpoint.py
+++ b/clu/checkpoint.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/checkpoint_test.py b/clu/checkpoint_test.py
index a42744f..47b120c 100644
--- a/clu/checkpoint_test.py
+++ b/clu/checkpoint_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/data/__init__.py b/clu/data/__init__.py
index ff94e80..55be0f4 100644
--- a/clu/data/__init__.py
+++ b/clu/data/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/data/dataset_iterator.py b/clu/data/dataset_iterator.py
index 3254d06..23f552e 100644
--- a/clu/data/dataset_iterator.py
+++ b/clu/data/dataset_iterator.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/data/dataset_iterator_test.py b/clu/data/dataset_iterator_test.py
index 6485811..cb79c52 100644
--- a/clu/data/dataset_iterator_test.py
+++ b/clu/data/dataset_iterator_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/deterministic_data.py b/clu/deterministic_data.py
index 5d88160..5069b6e 100644
--- a/clu/deterministic_data.py
+++ b/clu/deterministic_data.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -210,7 +210,7 @@ def get_read_instruction_for_host(
       split.
     host_id: Optional, host index in [0, host_count). Defaults to
       `jax.process_index()`.
-    host_count: Optional, number of hosts. Defaults to `jax.host_count`.
+    host_count: Optional, number of hosts. Defaults to `jax.process_count`.
     drop_remainder: Deprecated - use remainder_options instead.
     remainder_options: The options to handle the remaining examples.
   """
diff --git a/clu/deterministic_data_test.py b/clu/deterministic_data_test.py
index aef0251..5f9f174 100644
--- a/clu/deterministic_data_test.py
+++ b/clu/deterministic_data_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/internal/__init__.py b/clu/internal/__init__.py
index 5ec1547..1d01a23 100644
--- a/clu/internal/__init__.py
+++ b/clu/internal/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/internal/utils.py b/clu/internal/utils.py
index 9238597..3b3d6fa 100644
--- a/clu/internal/utils.py
+++ b/clu/internal/utils.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/internal/utils_test.py b/clu/internal/utils_test.py
index 6da370d..5b05411 100644
--- a/clu/internal/utils_test.py
+++ b/clu/internal/utils_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/__init__.py b/clu/metric_writers/__init__.py
index c7604b0..c170185 100644
--- a/clu/metric_writers/__init__.py
+++ b/clu/metric_writers/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/async_writer.py b/clu/metric_writers/async_writer.py
index 21fa1ff..bc3a1f5 100644
--- a/clu/metric_writers/async_writer.py
+++ b/clu/metric_writers/async_writer.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/async_writer_test.py b/clu/metric_writers/async_writer_test.py
index dd844da..7826e1c 100644
--- a/clu/metric_writers/async_writer_test.py
+++ b/clu/metric_writers/async_writer_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/interface.py b/clu/metric_writers/interface.py
index 9cec258..eb7aafc 100644
--- a/clu/metric_writers/interface.py
+++ b/clu/metric_writers/interface.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/logging_writer.py b/clu/metric_writers/logging_writer.py
index 40b9e2e..50fdcc3 100644
--- a/clu/metric_writers/logging_writer.py
+++ b/clu/metric_writers/logging_writer.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/logging_writer_test.py b/clu/metric_writers/logging_writer_test.py
index c39bdae..e0729d9 100644
--- a/clu/metric_writers/logging_writer_test.py
+++ b/clu/metric_writers/logging_writer_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/multi_writer.py b/clu/metric_writers/multi_writer.py
index 86649b2..97385dd 100644
--- a/clu/metric_writers/multi_writer.py
+++ b/clu/metric_writers/multi_writer.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/multi_writer_test.py b/clu/metric_writers/multi_writer_test.py
index ef63258..0585717 100644
--- a/clu/metric_writers/multi_writer_test.py
+++ b/clu/metric_writers/multi_writer_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/summary_writer.py b/clu/metric_writers/summary_writer.py
index db2b77c..4b3c200 100644
--- a/clu/metric_writers/summary_writer.py
+++ b/clu/metric_writers/summary_writer.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/tf/__init__.py b/clu/metric_writers/tf/__init__.py
index fd4b9da..ecdfc11 100644
--- a/clu/metric_writers/tf/__init__.py
+++ b/clu/metric_writers/tf/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/tf/summary_writer.py b/clu/metric_writers/tf/summary_writer.py
index 0c3e852..c8c7a20 100644
--- a/clu/metric_writers/tf/summary_writer.py
+++ b/clu/metric_writers/tf/summary_writer.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/tf/summary_writer_test.py b/clu/metric_writers/tf/summary_writer_test.py
index 8ac2932..07ed78f 100644
--- a/clu/metric_writers/tf/summary_writer_test.py
+++ b/clu/metric_writers/tf/summary_writer_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/torch_tensorboard_writer.py b/clu/metric_writers/torch_tensorboard_writer.py
index 50bc945..676cffd 100644
--- a/clu/metric_writers/torch_tensorboard_writer.py
+++ b/clu/metric_writers/torch_tensorboard_writer.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/torch_tensorboard_writer_test.py b/clu/metric_writers/torch_tensorboard_writer_test.py
index a6290fe..db2fb17 100644
--- a/clu/metric_writers/torch_tensorboard_writer_test.py
+++ b/clu/metric_writers/torch_tensorboard_writer_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/utils.py b/clu/metric_writers/utils.py
index a43d964..d675808 100644
--- a/clu/metric_writers/utils.py
+++ b/clu/metric_writers/utils.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metric_writers/utils_test.py b/clu/metric_writers/utils_test.py
index cad7301..279c0f5 100644
--- a/clu/metric_writers/utils_test.py
+++ b/clu/metric_writers/utils_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metrics.py b/clu/metrics.py
index b792cef..91da204 100644
--- a/clu/metrics.py
+++ b/clu/metrics.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/metrics_test.py b/clu/metrics_test.py
index dd4c5fc..91aadfe 100644
--- a/clu/metrics_test.py
+++ b/clu/metrics_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/parameter_overview.py b/clu/parameter_overview.py
index c45ccd9..13add0b 100644
--- a/clu/parameter_overview.py
+++ b/clu/parameter_overview.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/parameter_overview_test.py b/clu/parameter_overview_test.py
index c8a2d13..132babb 100644
--- a/clu/parameter_overview_test.py
+++ b/clu/parameter_overview_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/periodic_actions.py b/clu/periodic_actions.py
index 75ba08b..7d1e4a8 100644
--- a/clu/periodic_actions.py
+++ b/clu/periodic_actions.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/periodic_actions_test.py b/clu/periodic_actions_test.py
index d31a7eb..322fd34 100644
--- a/clu/periodic_actions_test.py
+++ b/clu/periodic_actions_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/platform/__init__.py b/clu/platform/__init__.py
index 7ae5eef..c03d585 100644
--- a/clu/platform/__init__.py
+++ b/clu/platform/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/platform/interface.py b/clu/platform/interface.py
index 21ccd4a..6f83e20 100644
--- a/clu/platform/interface.py
+++ b/clu/platform/interface.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/platform/local.py b/clu/platform/local.py
index 534051a..b3cfdc4 100644
--- a/clu/platform/local.py
+++ b/clu/platform/local.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/preprocess_spec.py b/clu/preprocess_spec.py
index fba8602..1649a45 100644
--- a/clu/preprocess_spec.py
+++ b/clu/preprocess_spec.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/preprocess_spec_test.py b/clu/preprocess_spec_test.py
index 2067795..25f73c2 100644
--- a/clu/preprocess_spec_test.py
+++ b/clu/preprocess_spec_test.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/profiler.py b/clu/profiler.py
index 11e6b4c..af4a7fd 100644
--- a/clu/profiler.py
+++ b/clu/profiler.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clu/values.py b/clu/values.py
index a6da91d..76fec27 100644
--- a/clu/values.py
+++ b/clu/values.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/setup.py b/setup.py
index d6761b8..d01deb0 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-# Copyright 2025 The CLU Authors.
+# Copyright 2026 The CLU Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.