diff --git a/host/tests/cmd.rs b/host/tests/cmd.rs
index e16409f1..da5ba370 100644
--- a/host/tests/cmd.rs
+++ b/host/tests/cmd.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/builder/initialize.rs b/lib/src/builder/initialize.rs
index 6a3fc26e..e291e332 100644
--- a/lib/src/builder/initialize.rs
+++ b/lib/src/builder/initialize.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/builder/mod.rs b/lib/src/builder/mod.rs
index 9eb44c03..ad0facaa 100644
--- a/lib/src/builder/mod.rs
+++ b/lib/src/builder/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/builder/prepare.rs b/lib/src/builder/prepare.rs
index 6cf62c57..e38a1f7d 100644
--- a/lib/src/builder/prepare.rs
+++ b/lib/src/builder/prepare.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/consts.rs b/lib/src/consts.rs
index 0910b797..59555405 100644
--- a/lib/src/consts.rs
+++ b/lib/src/consts.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/host/preflight.rs b/lib/src/host/preflight.rs
index f9711554..e64f38dc 100644
--- a/lib/src/host/preflight.rs
+++ b/lib/src/host/preflight.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/host/provider/cached_rpc_provider.rs b/lib/src/host/provider/cached_rpc_provider.rs
index 400c132f..4578bf6d 100644
--- a/lib/src/host/provider/cached_rpc_provider.rs
+++ b/lib/src/host/provider/cached_rpc_provider.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/host/provider/file_provider.rs b/lib/src/host/provider/file_provider.rs
index 17ddf1e1..fd1fc67c 100644
--- a/lib/src/host/provider/file_provider.rs
+++ b/lib/src/host/provider/file_provider.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/host/provider/mod.rs b/lib/src/host/provider/mod.rs
index 8d98e6b5..1993bbfd 100644
--- a/lib/src/host/provider/mod.rs
+++ b/lib/src/host/provider/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/host/provider/rpc_provider.rs b/lib/src/host/provider/rpc_provider.rs
index 6d9bc5eb..3bd5756c 100644
--- a/lib/src/host/provider/rpc_provider.rs
+++ b/lib/src/host/provider/rpc_provider.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/host/provider_db.rs b/lib/src/host/provider_db.rs
index 6c487d87..72a28230 100644
--- a/lib/src/host/provider_db.rs
+++ b/lib/src/host/provider_db.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/host/rpc_db.rs b/lib/src/host/rpc_db.rs
index be5abd68..a9e67997 100644
--- a/lib/src/host/rpc_db.rs
+++ b/lib/src/host/rpc_db.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/host/verify.rs b/lib/src/host/verify.rs
index e580cc8c..391961e6 100644
--- a/lib/src/host/verify.rs
+++ b/lib/src/host/verify.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/input.rs b/lib/src/input.rs
index a3b0ab22..528f80bc 100644
--- a/lib/src/input.rs
+++ b/lib/src/input.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/lib.rs b/lib/src/lib.rs
index 96c57268..9f3a0da4 100644
--- a/lib/src/lib.rs
+++ b/lib/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/lib/src/optimism/batcher_db.rs b/lib/src/optimism/batcher_db.rs
index 69a61e9d..84985422 100644
--- a/lib/src/optimism/batcher_db.rs
+++ b/lib/src/optimism/batcher_db.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/primitives/src/access_list.rs b/primitives/src/access_list.rs
index 03817bc8..c22f9111 100644
--- a/primitives/src/access_list.rs
+++ b/primitives/src/access_list.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/primitives/src/lib.rs b/primitives/src/lib.rs
index 7f2d5739..0e244ea4 100644
--- a/primitives/src/lib.rs
+++ b/primitives/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/primitives/src/transactions/ethereum.rs b/primitives/src/transactions/ethereum.rs
index 76593a95..42a0f368 100644
--- a/primitives/src/transactions/ethereum.rs
+++ b/primitives/src/transactions/ethereum.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/primitives/src/transactions/mod.rs b/primitives/src/transactions/mod.rs
index a8e579bd..a0db4adf 100644
--- a/primitives/src/transactions/mod.rs
+++ b/primitives/src/transactions/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/primitives/src/transactions/optimism.rs b/primitives/src/transactions/optimism.rs
index 2db8c711..097cdf03 100644
--- a/primitives/src/transactions/optimism.rs
+++ b/primitives/src/transactions/optimism.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/primitives/src/transactions/signature.rs b/primitives/src/transactions/signature.rs
index 6150a8c3..1b18d5d0 100644
--- a/primitives/src/transactions/signature.rs
+++ b/primitives/src/transactions/signature.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/primitives/src/trie/mpt.rs b/primitives/src/trie/mpt.rs
index 148c7245..b7f04554 100644
--- a/primitives/src/trie/mpt.rs
+++ b/primitives/src/trie/mpt.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/testing/ef-tests/src/ethtests.rs b/testing/ef-tests/src/ethtests.rs
index ae850480..59a87e25 100644
--- a/testing/ef-tests/src/ethtests.rs
+++ b/testing/ef-tests/src/ethtests.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/testing/ef-tests/src/lib.rs b/testing/ef-tests/src/lib.rs
index 494eb557..1bf8a69a 100644
--- a/testing/ef-tests/src/lib.rs
+++ b/testing/ef-tests/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/testing/ef-tests/testguest/src/main.rs b/testing/ef-tests/testguest/src/main.rs
index 53a05456..2c31f89d 100644
--- a/testing/ef-tests/testguest/src/main.rs
+++ b/testing/ef-tests/testguest/src/main.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/testing/ef-tests/tests/evm.rs b/testing/ef-tests/tests/evm.rs
index be59605f..9d68a475 100644
--- a/testing/ef-tests/tests/evm.rs
+++ b/testing/ef-tests/tests/evm.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // 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/testing/ef-tests/tests/executor.rs b/testing/ef-tests/tests/executor.rs
index baecba67..a9b8bb9d 100644
--- a/testing/ef-tests/tests/executor.rs
+++ b/testing/ef-tests/tests/executor.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 RISC Zero, Inc.
+// Copyright 2024 RISC Zero, Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.