diff --git a/README.md b/README.md
index 7f5ae4f..5e7d72e 100644
--- a/README.md
+++ b/README.md
@@ -8,3 +8,4 @@ Inference Combinators in JAX (Coix) is a machine learning framework used to
 develop inference algorithms that are composed of probabilistic programs.
 
 *This is not an officially supported Google product.*
+
diff --git a/coix/__init__.py b/coix/__init__.py
index 21f7bb3..d46c565 100644
--- a/coix/__init__.py
+++ b/coix/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/algo.py b/coix/algo.py
index 855092c..f600fbe 100644
--- a/coix/algo.py
+++ b/coix/algo.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/algo_test.py b/coix/algo_test.py
index 6bb038c..4cd81fc 100644
--- a/coix/algo_test.py
+++ b/coix/algo_test.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/api.py b/coix/api.py
index edb2be8..f6f55f5 100644
--- a/coix/api.py
+++ b/coix/api.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/api_test.py b/coix/api_test.py
index fd2e5a9..765e0c4 100644
--- a/coix/api_test.py
+++ b/coix/api_test.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/core.py b/coix/core.py
index fc79807..3d4e2b0 100644
--- a/coix/core.py
+++ b/coix/core.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/core_test.py b/coix/core_test.py
index 8bd8abc..a3c70c6 100644
--- a/coix/core_test.py
+++ b/coix/core_test.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/loss.py b/coix/loss.py
index 90f790c..bc7fda4 100644
--- a/coix/loss.py
+++ b/coix/loss.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/loss_test.py b/coix/loss_test.py
index 22a2140..46fde42 100644
--- a/coix/loss_test.py
+++ b/coix/loss_test.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/numpyro.py b/coix/numpyro.py
index 161b7f5..e624272 100644
--- a/coix/numpyro.py
+++ b/coix/numpyro.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/oryx.py b/coix/oryx.py
index ffe221d..b03e15f 100644
--- a/coix/oryx.py
+++ b/coix/oryx.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/oryx_test.py b/coix/oryx_test.py
index e6bebda..f925e41 100644
--- a/coix/oryx_test.py
+++ b/coix/oryx_test.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/util.py b/coix/util.py
index d7d3835..2ebf2ac 100644
--- a/coix/util.py
+++ b/coix/util.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix 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/coix/util_test.py b/coix/util_test.py
index 77f0c8b..fa0832f 100644
--- a/coix/util_test.py
+++ b/coix/util_test.py
@@ -1,4 +1,4 @@
-# Copyright 2023 The coix Authors.
+# Copyright 2024 The coix Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.