diff --git a/src/errors.rs b/src/errors.rs
index 2c8b2e5..75f201c 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2021-2022 Soni L.
+// Copyright (C) 2021, 2022, 2023 Soni L.
// SPDX-License-Identifier: MIT OR Apache-2.0
//! <!-- TODO figure out module-level docs for this -->
diff --git a/src/graph.rs b/src/graph.rs
index c95cf34..62ceed8 100644
--- a/src/graph.rs
+++ b/src/graph.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2022 Soni L.
+// Copyright (C) 2022, 2023 Soni L.
// SPDX-License-Identifier: MIT OR Apache-2.0
//! The results produced by a matched pattern.
diff --git a/src/vm/de/mod.rs b/src/vm/de/mod.rs
index 45274eb..7db66df 100644
--- a/src/vm/de/mod.rs
+++ b/src/vm/de/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2022 Soni L.
+// Copyright (C) 2022, 2023 Soni L.
// SPDX-License-Identifier: MIT OR Apache-2.0
//! Deserialization-related parts of the VM.
diff --git a/src/vm/de/unpacker.rs b/src/vm/de/unpacker.rs
index ce2e0d0..c7d46ad 100644
--- a/src/vm/de/unpacker.rs
+++ b/src/vm/de/unpacker.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2022 Soni L.
+// Copyright (C) 2022, 2023 Soni L.
// SPDX-License-Identifier: MIT OR Apache-2.0
//! Unpacker-related parts of the VM.
diff --git a/src/vm/mod.rs b/src/vm/mod.rs
index eb9a2a3..62121c4 100644
--- a/src/vm/mod.rs
+++ b/src/vm/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (C) 2021-2022 Soni L.
+// Copyright (C) 2021, 2022, 2023 Soni L.
// SPDX-License-Identifier: MIT OR Apache-2.0
//! The Datafu Virtual Machine.
|
